3 years ago

How is the answer 16? Please explain

1 answer:

7 0

Triangle STU is similar to triangle SVW
so

TU ST
------- = ---------- (as you know SV = ST + TV = 12 + 18 = 30)
VW SV
so
TU 12
------- = ----------
40 30

TU = 12 * 40 / 30
TU = 16

answer
16 inches

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