Question

1. In A ABC, AB = AC. If angle A = 50 , then find angle B and angle C
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Answer 1

Answer:

Angle B = 65°

Angle C = 65°

Step-by-step explanation:

AB = AC

Or, Angle B = Angle C (Angles opposite of equal sides are equal) ............(i)

{Answer given by TheLegend0353}

Angle A + Angle B + Angle C = 180°

Or, Angle C + Angle B = 180° - 50°

Or, 2 Angle B = 130° [From (i)]

Or, Angle B = 65° (Ans.)

Therefore, Angle C = Angle B = 65° (Ans.)

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Answer 2

Answer:

In A ABC, AB = AC. If angle A = 50°, then angle B and C = 65°

Step-by-step explanation:

isosceles triangle - In isosceles triangle 2 sides are equal and 2 angle also measure equal.

As in triangle ABC AB = AC then AngleB = AngleC

Given,

Angle A = 50°

∵Sum of interior angle in triangle = 180°

Let angle B and C = x

Then,

Angle A + Angle B + angle C = 180°

Putting value of angles,

50°+x°+x° = 180

50°+2x° = 180°

2x° = 130°

x°= 65°

Final answer,

Angle B = 65°

Angle C = 65°