Question

In the figure given below ,$\angle ABC=\angle ACB={47}^{\circ }$ and AC = 9 m . What is the length of AB ?

• A. 4 m
• B. 10 m
• C. 9 m
• D. 7 m

Answer 1

The correct option is C 9 m

According to second theorem of isosceles triangle, " If two angles of a triangle are congruent, then the sides opposite to them are congruent "

Since the given angles are equal, the sides opposite to them are congruent .

So, AB = AC . AB = 9 m