Question

IN TRIANGLE ABC , AB = AC AND ANGLE B = 45 DEGREE TRHEN ANGLE A IS

Answer 1

Given :

• AB = AC

• Angle B = 45°

To Find :

• Angle A

Solution :

★ Angle C = Angle B

→ Angle C = 45°

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 + 45° + 45° = 180°

→ ∠A + 90° = 180°

→ ∠A = 90°

$\therefore$ Measurement of angle A = 90°

Answer 2

Answer:

A = 90° hopes it helps you

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