If the perimeter of an equilateral triangle is 36cm, calculate its area and height

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Anjali01 · Answer 1 · 2020-09-25T04:31:29+0000

Perimeter = 3a where a is the side of the equilateral triangle.
36cm = 3a
side =12 cm
area =√3÷4 a² = √3÷4×144.
√336cm²
area of triangle = 1÷2 base × height.
36√3= 6cm× height .
height= 36√3÷6= 6√3= 1.732× 6.
10.4 cm

If the perimeter of an equilateral triangle is 36cm, calculate its area and height

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