freaw7697 freaw7697

29-05-2018
Mathematics

contestada

A triangle has side lengths of 20 cm 27 cm and 21 cm. Is the triangle a right triangle? SHOW YOUR WORK TO PRO
VE IT!

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jinc0930 jinc0930

02-06-2018

When a triangle is a right triangle, Pythagorean theorem must work on it.
The Pythagorean theorem states: a^2+b^2=c^2
20^2+21^2=27^2
400+441=729
841=729
false

Therefore, the triangle is not a right triangle

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