If a right triangle has sides 9 and 12, what is the length of the third longest side

asked Apr 7, 2022 14.3k views

7 votes

by Lipka

4.2k points

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8 votes

Answer:

15 cm

Explanation:

Using Pythagoras Theorem (
a^(2) +
b^(2) =
c^(2) )

x^(2) =
9^(2) +
12^(2)

x^(2) = 81 + 144

x^(2) = 225 =
$\sqrt225$

= 15 cm

Jason Buberel answered Apr 14, 2022

3.8k points

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