8-1 additional practice right triangles and the pythagorean theorem envision geometry
1 answer:
The value of x in the right triangle using the Pythagorean theorem is 15 units
<h3>How to determine the value of x in the right triangle?</h3>From the right triangle (see attachment), we have the following Pythagoras theorem
x² = 12² + 9²
Evaluate the exponents
x^2 = 144 + 81
Evaluate the sum
x^2= 225
Take the square root of both sides
x = ±15
The value of x cannot be negative.
So, we have:
x = 15
Hence, the value of x is 15 units
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