Question

In ∆ABC,if A=B=45°,name the longest side.
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Answer 1

Answer:

AB is the longest side in ∆ABC

Step-by-step explanation:

because according to the property of triangle side opposite to the greatest angle is the longest side

and

angle A+angle B+angle C = 180°

45+45+ angleC = 180°. [ A=B= 45°]

angle C= 180°-90°

angle C= 90°. (greatest angle)

Answer 2

Answer:

side AB is the longest side

Step-by-step explanation: reason, longest side is always opposite to the biggest angle. So,

A=B=45   the C is 90

thus angle C is biggest angle.

therefore opposite side of angle C is side AB. So, Side AB is longest side.

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