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21-01-2022
Mathematics

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What is the length of the unknown side of the right triangle?

A. 21
B. 29
C. 400
D. 441

What is the length of the unknown side of the right triangle A 21 B 29 C 400 D 441 class=

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21-01-2022

Answer:

the answer is 29

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21-01-2022

Answer:

B

Step-by-step explanation:

Using Pythagoras' identity in the right triangle

x² = 20² + 21² = 400 + 441 = 841 ( take square root of both sides )

x = [tex]\sqrt{841} [/tex] = 29

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