Analyze the diagram below and complete the instructions that follow.
1 answer:
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 = = 50 ( subtract 32 from both sides )
x = 18 → A
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