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3 years ago

15

Which of the following equations can be used to find the length of BC in the triangle below??? Help :)

1 answer:

vivado [14]3 years ago

5 0

Answer:

D

Step-by-step explanation:

Using Pythagoras' identity on the right triangle

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

(BC)² = 10² + 30² → D

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