1.

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

Answer»

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



Discussion

No Comment Found

Related InterviewSolutions