3 years ago

What is the value of x? Enter your answer in the box. units

Mathematics

1 answer:

LiRa [457]3 years ago

7 0

Answer:

x = 28

Step-by-step explanation:

ΔARP ≈ ΔCRD

42/x = 57/(10+x)

cross-multiply:

42(10+x) = 57x

420 + 42x = 57x

420 = 15x

28 = x

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