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18 votes
Find the missing piece?

Find the missing piece?-example-1
User Wisdom
by
5.3k points

1 Answer

12 votes

Answer:

7

Explanation:

First use Pyth Theorem to find the length of the whole side.

8^2 + 20^2 = c^2

64 + 400 = c^2

21.54 = c

Round to 22

22 - 15 = 7

User Nabeela
by
5.9k points