Question

if points a(0,3), b(-2,a) and c(-1,4) are the vertices of right triangle right-angled at a, then find the longest side​

Answer 1

Solution -

A(0,3),B(−2,a),C(−1,a) is right angles triangle at A 

AB⊥AC

Slope of AB × slope of AC = -1 

−2a−3×−11=−1

a−3=−2

a=1 

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