Question

if the perimeter of an equilateral triangle is 41cm. calculate it's area and height
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Answer 1

Answer:

perimeter = 3a where a is the side of equilateral triangle. area =√3÷4 a2 = √3÷4×144. area of triangle = 1÷2 base × height . 36√3= 6cm× height .

Answer 2

Step-by-step explanation:

perimeter perimeter of an equilateral triangle =41 CM.

let let the side of equilateral triangle be x

so, x+x+x=41cm

3x=41

x=41/3

x=13.66 cm