The hypotenuse of a right triangle is 15cm, and the shorter leg is 9cm. Find the length of the other leg
2 answers:
Hello!
If you add up the squares of the two legs, it will equal the square of the hypotenuse. As we already have the hypotenuse, we will subtract.
225-81=144
Now we find the square root.
√144=12
Therefore, the other leg is 12 cm long.
I hope this helps!
Hello,
We apply the theorem of Pythagoras. Let x be the other side, y the hypotenuse and z the smallest side.
x² = y² - z²
x² = 15² - 9²
x² = 225 - 81 = 144
x = √(144) = 12 cm
Bye :)
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Hope this helps!
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