Dieckmann271 Dieckmann271

06-07-2015
Mathematics

Answered

Tony makes a triangle using three sticks of length 20 inches, 21 inches and 28 inches. The triangle Tony makes is a right triangle. True or False?

Verified Answer :

06-07-2015

In a right triangle the square of the longest side is equal to the sum of the squares of the shorter sides.

\(20^2+21^2=28^2 \\ 400+441=784 \\ 841 =784 \\ false\)

The answer is 'false'. The triangle isn't a right triangle.

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