Question

For the figures shown, HJKL ~ QRST . The scale factor applied to HJKL to create QRST is 8 to 7.

What is RS?

A. 74
B. 72
C. 64
D. 49

Answer 1

@whpalmer4

Answer 2

I think C

Answer 3

@Opcode

Answer 4

Multiplying HJKL by 8/7 gives QRST. Therefore, JK*8/7 should give you RS. 56*8/7 = 64.

Answer 5

Ah, so C is correct :)
Thanks! Can you help with a few more @whpalmer4 ?
I think like 2 or 3

Answer 6

The triangles are similar. The area of the larger triangle is 567 cm².

What is the area of the smaller triangle?

A. 10.5 cm²
B. 31.5 cm²
C. 63 cm²
D. 189 cm²

Answer 7

what is the ratio of the sides?

Answer 8

18:54

Answer 9

Or is it the opposite, 54:18. @whpalmer4 ?

Answer 10

You tell me. Are you giving me the ratio of the smaller triangle to the larger triangle, or the larger triangle to the smaller one?

Answer 11

Never mind, I got the answer.

Answer 12

Thanks