1.

In triangle abc if ab equal to ac and angle b equal to 65degree then find angle c and angle a​

Answer»

Given :

• AB = AC

• Angle B = 65°

To Find :

• Angle C and angle A

SOLUTION :

★ Angle C = Angle B

→ Angle C = 65°

Here angle C is EQUAL to the angle B because Opposite angle of equal sides are always equal.

Now, from Angle SUM Property :

→ ∠A + ∠B + ∠C = 180°

→ ∠A + 65° + 65° = 180°

→ ∠A + 130° = 180°

→ ∠A = 180° - 130°

→ ∠A = 50°

\therefore MEASUREMENT of angle C = 65° and angle A = 50°.


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