8

Set 3: Triangles (Advanced)

Explanation

Answer: B

PROBLEM

Two similar triangles have a scale factor of 4. If a side of the smaller triangle is 3, what is the corresponding side of the larger triangle?

Two similar triangles have a scale factor of 4. If a side of the smaller triangle is 3, what is the corresponding side of the larger triangle?

A.

14

B.

12

✓ Correct
C.

13

D.

11

Detailed Explanation

Choice B is the best answer. Larger side = 3 times 4 = 12

Why others are wrong:
A: 14 is incorrect because it does not satisfy the equation.
C: 13 is incorrect because it does not satisfy the equation.
D: 11 is incorrect because it does not satisfy the equation.