All ISEE Upper Level Math Resources
Example Questions
Example Question #81 : Plane Geometry
NOTE: Figures NOT drawn to scale.
Refer to the above two triangles.
What is ?
Possible Answers:
Insufficient information is given to answer the question.
Correct answer:
Explanation:
Corresponding sides of similar triangle are proportional, so if
, then
Substitute the known sidelengths, then solve for :
Example Question #1 : Acute / Obtuse Triangles
What is the perimeter of ?
Possible Answers:
It cannot be determined from the information given.
Correct answer:
Explanation:
By definition, since, , side lengths are in proportion.
So,
The perimeter of is
.
Example Question #1 : How To Find If Two Acute / Obtuse Triangles Are Similar
What is ?
Possible Answers:
It is impossible to tell from the information given.
Correct answer:
Explanation:
By definition, since , all side lengths are in proportion.
All ISEE Upper Level Math Resources
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