Question

If the area of an equilateral triangle is 64√3. sq cms, then the length of its side is :
(a) 16 cm
(b) 12 cm
(c) 18 cm
(d) none​

Answer 1

Answer:

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

area of triangle =64√3.sq cms

64√3=3/4*(side)^2

64√3*4/√3=(side)^2

√64*4=side8*2= side

16 CM ans