Which expression is equivalent to 25a7b"?
1 answer:
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Answer:
x = 97
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, that is
x² = 65² + 72² = 4225 + 5184 = 9409 ( take the square root of both sides )
x = = 97