In Exercises 7 and 8, classify the triangle(not shown) by considering the lengths of its sides.
a)  In

b)  In

a)
To classify:
The nature of given triangle.
Given:
In
Definition:
In a triangle, if two sides are congruent, then the triangle is isosceles triangle.
Approach:
In
(b)
To classify:
The nature of given triangle.
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