Question

7) If the perimeter of an equilateral triangle is 60 cm, then what is its area? * 1 point a) 200√2 sqcm b) 100√2 sqcm c) 100√3 sqcm d) 200√3 sqcm

Answer 1

Step-by-step explanation:

7) If the perimeter of an equilateral triangle is 60 cm, then what is its area? * 1 point a) 200√2 sqcm b) 100√2 sqcm c) 100√3 sqcm d) 200√3 sqcm7) If the perimeter of an equilateral triangle is 60 cm, then what is its area? * 1 point a) 200√2 sqcm b) 100√2 sqcm c) 100√3 sqcm d) 200√3 sqcm7) If the perimeter of an equilateral triangle is 60 cm, then what is its area? * 1 point a) 200√2 sqcm b) 100√2 sqcm c) 100√3 sqcm d) 200√3 sqcm7) If the perimeter of an equilateral triangle is 60 cm, then what is its area? * 1 point a) 200√2 sqcm b) 100√2 sqcm c) 100√3 sqcm d) 200√3 sqcm7) If the perimeter of an equilateral triangle is 60 cm, then what is its area? * 1 point a) 200√2 sqcm b) 100√2 sqcm c) 100√3 sqcm d) 200√3 sqcm7) If the perimeter of an equilateral triangle is 60 cm, then what is its area? * 1 point a) 200√2 sqcm b) 100√2 sqcm c) 100√3 sqcm d) 200√3 sqcm7) If the perimeter of an equilateral triangle is 60 cm, then what is its area? * 1 point a) 200√2 sqcm b) 100√2 sqcm c) 100√3 sqcm d) 200√3 sqcm7) If the perimeter of an equilateral triangle is 60 cm, then what is its area? * 1 point a) 200√2 sqcm b) 100√2 sqcm c) 100√3 sqcm d) 200√3 sqcm7) If the perimeter of an equilateral triangle is 60 cm, then what is its area? * 1 point a) 200√2 sqcm b) 100√2 sqcm c) 100√3 sqcm d) 200√3 sqcm7) If the perimeter of an equilateral triangle is 60 cm, then what is its area? * 1 point a) 200√2 sqcm b) 100√2 sqcm c) 100√3 sqcm d) 200√3 sqcm7) If the perimeter of an equilateral triangle is 60 cm, then what is its area? * 1 point a) 200√2 sqcm b) 100√2 sqcm c) 100√3 sqcm d) 200√3 sqcm7) If the perimeter of an equilateral triangle is 60 cm, then what is its area? * 1 point a) 200√2 sqcm b) 100√2 sqcm c) 100√3 sqcm d) 200√3

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Answer 2

Answer:

Let the side of the equilateral triangle be a cm.

Then,

Perimeter=60

a+a+a=60

3a=60

a=60/3=20 cm

Area of equilateral triangle=√3/4*(side)²

=√3/4*20*20

=√3/4*400

=100√3 sq.cm