What is the value of x?

asked May 8, 2020 120k views

4 votes

by Pau

5.6k points

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2 votes

Answer:

Explanation:

We use the concept of similarity to find the value of X.

Δ APR ≡ ΔCDR

∴ AR/CR = PR/DR

(10+x)/x = (15+42)/42

42(10+x) = 57x

420 + 42x = 57x

57x - 42x = 420

15x = 420

x = 420/15

= 28

Dzhi answered May 15, 2020

by Dzhi

6.0k points

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