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Find the missing side length. Round to the nearest tenth.
15 cm
9 cm​

Find the missing side length. Round to the nearest tenth. 15 cm 9 cm​-example-1
User Geekgirl
by
8.6k points

1 Answer

6 votes
Using Pythagorean’s theorem
a^2 +b^2= c^2
We know
c=15
b=9
a=?
Sub that in the Pythagorean’s theorem
a^2+9^2 = 15^2
a^2 + 81 = 225
a^2= 225-81
a^2 = 144
a= square root of 144
a= 12

Therefore the answer is 12
User Keyur Mistry
by
8.2k points

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