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TiliK225 [7]
3 years ago
14

Analyze the diagram below and complete the instructions that follow.

Mathematics
1 answer:
kow [346]3 years ago
5 0

Answer:

A

Step-by-step explanation:

Using Pythagoras' identity on the large right triangle.

The square on the hypotenuse is equal to the sum of the squares on the other 2 sides, that is

(x + 32)² = 30² + 40² = 900 + 1600 = 2500 ( take the square root of both sides)

x + 32 =\sqrt{2500} = 50 ( subtract 32 from both sides )

x = 18 → A

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