10

Set 4: Triangles (Intermediate)

Explanation

Answer: D

PROBLEM

An isosceles triangle has two equal sides of 8 and a base of 7. What is its perimeter?

An isosceles triangle has two equal sides of 8 and a base of 7. What is its perimeter?

A.

24

B.

22

C.

25

D.

23

✓ Correct

Detailed Explanation

Choice D is the best answer. Perimeter = 8 + 8 + 7 = 23

Why others are wrong:
A: 24 is incorrect because it does not satisfy the equation.
B: 22 is incorrect because it does not satisfy the equation.
C: 25 is incorrect because it does not satisfy the equation.

🎉 Set Complete!

You've reviewed all explanations. Ready to try another set?