The hypotenuse of an isosceles right triangle is 8.4 in. How do you find the length of a side to the nearest tenth of an inch?

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Answer 1 · 2015-11-03T23:17:10

The length of the side is #a~~5.9# inch

#a^2+b^2=c^2#

Since the triangle is isosceles and the hypotenuse is given, you can write it as:

#a^2+a^2=8.4^2#

#2a^2=8.4^2#

#a^2=(8.4)^2/2#

#a^2=70.56/2#

#a^2=35.28#

#a~~5.9#