Question

1. (a) If the area of an equilateral triangle is 64V3 sq cms, find the side,
height and perimeter of the triangle.( V3 = 1.73)
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Answer 1

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ANSWER

Let the side of the equilateral triangle be a cm

area of the triangle

4

3

a

2

=64

3

⇒a

2

=

3

4×64×

3

⇒a

2

=256

⇒a=16

perimeter of the triangle=3a=3×16=48 cm