Calculating an angle of a line - GMAT Quantitative
Card 0 of 104
A right triangle is given with a missing value of
. It is stated that the triangle is an acute right triangle with angles
and
. What is a possible value of
in degrees?
A right triangle is given with a missing value of . It is stated that the triangle is an acute right triangle with angles
and
. What is a possible value of
in degrees?
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It is important to recall that all triangles add to 180 degrees and a right triangle contains one angle that is equal to 90 degrees. Therefore, in this particular problem we can write the following equation to solve for the missing variable.

It is important to recall that all triangles add to 180 degrees and a right triangle contains one angle that is equal to 90 degrees. Therefore, in this particular problem we can write the following equation to solve for the missing variable.
What is the measure of an angle complementary to a
angle?
What is the measure of an angle complementary to a angle?
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Complementary angles have degree measures that total
, so the measure of an angle complementary to a
angle would have measure
.
Complementary angles have degree measures that total , so the measure of an angle complementary to a
angle would have measure
.
What is the measure of an angle supplementary to a
angle?
What is the measure of an angle supplementary to a angle?
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Supplementary angles have degree measures that total
, so the measure of an angle complementary to a
angle would have measure
.
Supplementary angles have degree measures that total , so the measure of an angle complementary to a
angle would have measure
.
What is the measure of an angle congruent to a
angle?
What is the measure of an angle congruent to a angle?
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Two angles are congruent if they have the same degree measure, so an angle will be congruent to a
angle if its measure is also
.
Two angles are congruent if they have the same degree measure, so an angle will be congruent to a angle if its measure is also
.
What is the measure of an angle that is supplementary to a
angle?
What is the measure of an angle that is supplementary to a angle?
Tap to see back →
Supplementary angles have degree measures that total
, so an angle supplementary to
would measure
.
Supplementary angles have degree measures that total , so an angle supplementary to
would measure
.
What is the measure of an angle that is complementary to a
angle?
What is the measure of an angle that is complementary to a angle?
Tap to see back →
Complementary angles have degree measures that total
, so an angle complementary to
would measure
.
Complementary angles have degree measures that total , so an angle complementary to
would measure
.
What is the measure of an angle congruent to a
angle?
What is the measure of an angle congruent to a angle?
Tap to see back →
Congruent angles have degree measures that are equal, so an angle congruent to
is
.
Congruent angles have degree measures that are equal, so an angle congruent to is
.
What is the measure of an angle that is supplementary to a
angle?
What is the measure of an angle that is supplementary to a angle?
Tap to see back →
Supplementary angles have degree measures that total
. Since we have an
angle, the supplementary angle would measure 
Supplementary angles have degree measures that total . Since we have an
angle, the supplementary angle would measure
Which of the following angles is complementary to an
angle?
Which of the following angles is complementary to an angle?
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Complementary angles have degree measures that total
. Since we have an
angle, the supplementary angle would measure 
Complementary angles have degree measures that total . Since we have an
angle, the supplementary angle would measure
Which of the following angles is congruent to a
angle?
Which of the following angles is congruent to a angle?
Tap to see back →
Congruent angles have the same degree measure, so an angle congruent to a
angle would also measure
.
Congruent angles have the same degree measure, so an angle congruent to a angle would also measure
.
What is the measurement of an angle that is congruent to an
angle?
What is the measurement of an angle that is congruent to an angle?
Tap to see back →
Two angles are congruent if they have the same degree measure. Therefore, an angle congruent to an
angle also measures
.
Two angles are congruent if they have the same degree measure. Therefore, an angle congruent to an angle also measures
.
What is the measurement of an angle that is supplementary to a
angle?
What is the measurement of an angle that is supplementary to a angle?
Tap to see back →
Two angles are supplementary if the total of their degree measures is
. Therefore, an angle supplementary to a
angle measures
.
Two angles are supplementary if the total of their degree measures is . Therefore, an angle supplementary to a
angle measures
.
What is the measure of an angle that is complementary to a
angle?
What is the measure of an angle that is complementary to a angle?
Tap to see back →
Two angles are complementary if the total of their degree measures is
. Therefore, an angle complementary to a
angle measures
.
Two angles are complementary if the total of their degree measures is . Therefore, an angle complementary to a
angle measures
.
A right triangle is given with a missing value of
. It is stated that the triangle is an acute right triangle with angles
and
. What is a possible value of
in degrees?
A right triangle is given with a missing value of . It is stated that the triangle is an acute right triangle with angles
and
. What is a possible value of
in degrees?
Tap to see back →
It is important to recall that all triangles add to 180 degrees and a right triangle contains one angle that is equal to 90 degrees. Therefore, in this particular problem we can write the following equation to solve for the missing variable.

It is important to recall that all triangles add to 180 degrees and a right triangle contains one angle that is equal to 90 degrees. Therefore, in this particular problem we can write the following equation to solve for the missing variable.
What is the measure of an angle complementary to a
angle?
What is the measure of an angle complementary to a angle?
Tap to see back →
Complementary angles have degree measures that total
, so the measure of an angle complementary to a
angle would have measure
.
Complementary angles have degree measures that total , so the measure of an angle complementary to a
angle would have measure
.
What is the measure of an angle supplementary to a
angle?
What is the measure of an angle supplementary to a angle?
Tap to see back →
Supplementary angles have degree measures that total
, so the measure of an angle complementary to a
angle would have measure
.
Supplementary angles have degree measures that total , so the measure of an angle complementary to a
angle would have measure
.
What is the measure of an angle congruent to a
angle?
What is the measure of an angle congruent to a angle?
Tap to see back →
Two angles are congruent if they have the same degree measure, so an angle will be congruent to a
angle if its measure is also
.
Two angles are congruent if they have the same degree measure, so an angle will be congruent to a angle if its measure is also
.
What is the measure of an angle that is supplementary to a
angle?
What is the measure of an angle that is supplementary to a angle?
Tap to see back →
Supplementary angles have degree measures that total
, so an angle supplementary to
would measure
.
Supplementary angles have degree measures that total , so an angle supplementary to
would measure
.
What is the measure of an angle that is complementary to a
angle?
What is the measure of an angle that is complementary to a angle?
Tap to see back →
Complementary angles have degree measures that total
, so an angle complementary to
would measure
.
Complementary angles have degree measures that total , so an angle complementary to
would measure
.
What is the measure of an angle congruent to a
angle?
What is the measure of an angle congruent to a angle?
Tap to see back →
Congruent angles have degree measures that are equal, so an angle congruent to
is
.
Congruent angles have degree measures that are equal, so an angle congruent to is
.