A geometry problem by Harrison Froats

Geometry Level 2

An isosceles triangle has two side lengths of 15 cm, and the angle in between them is 90 degrees. Find the area of the triangle.

Round the answer to the nearest tenth.


The answer is 112.50.

Harrison Froats by Harrison Froats , 20, Canada

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1 solution

Peter Michael
Jun 2, 2017

Spread one to side length

Square fifteen divide by 2

Result area

0 Helpful 0 Interesting 0 Brilliant 0 Confused

@Harrison Froats The answer should be 112.5 right?

It's currently recorded as 112.60. We would mark 112.5 as correct because we give a 2% margin of error for decimal answers.

Calvin Lin Staff - 4 years ago

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