All ISEE Upper Level Math Resources
Example Questions
Example Question #51 : Triangles
Note: Figure NOT drawn to scale.
What is the measure of angle
Possible Answers:
Correct answer:
Explanation:
The two angles at bottom are marked as congruent. One forms a linear pair with a
angle, so it is supplementary to that angle, making its measure . Therefore, each marked angle measures .The sum of the measures of the interior angles of a triangle is
, so:
Example Question #91 : Isee Upper Level (Grades 9 12) Mathematics Achievement
Which of the following is true about a triangle with two angles that measure
and ?
Possible Answers:
This triangle is scalene and right.
This triangle cannot exist.
This triangle is isosceles and right.
This triangle is scalene and obtuse.
This triangle is isosceles and obtuse.
Correct answer:
This triangle cannot exist.
Explanation:
A triangle must have at least two acute angles; however, a triangle with angles that measure
and could have at most one acute angle, an impossible situation. Therefore, this triangle is nonexistent.
Iffy
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