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The sides of a certain triangle are given below. Find, which of them is right-triangle(016 cm, 20 cm and 12 cm(ii) 6 m, 9 m and 13 m |
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Answer» i)12^2+16^2=144+256=400=20^2so it is right angled triangleii)6^2+9^2=36+81=117!=13^26^2+13^2=36+169=205!=9^29^2+13^2=81+169=250!=6^2so it is not right angled triangle |
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