Question

The measure of each angle of an equilateral triangle is

(a) 30°
(b) 45°
(c) 90°
(d) 60°​

Answer 1

Answer:

the measure of each angle of an equilateral triangle is 60 degree

Answer 2

SOLUTION

TO CHOOSE THE CORRECT OPTION

The measure of each angle of an equilateral triangle is

(a) 30°

(b) 45°

(c) 90°

(d) 60°

EVALUATION

Let ABC be the equilateral triangle

We know that in an equilateral triangle each angle is equal.

⇒ ∠A = ∠B = ∠C.

Again we know that sum of three angles of a triangle = 180°

∴ ∠A + ∠B + ∠C = 180°

⇒ 3∠A = 180°

⇒ ∠A = 60°

∴ ∠A = ∠B = ∠C = 60°

The measure of each angle of an equilateral triangle is 60°

FINAL ANSWER

Hence the correct option is (d) 60°

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