Question

5. If the perimeter of an equilateral triangle is 180 cm. Then its area will be:
a. 900 sq cm
b. 900V3 sq cm
c. 300V3 sq cm
d. 600V3 sq cm​

Answer 1

Answer:

perimeter of the equilateral triangle 180 cm

side of the triangle=180/3 cm=60 cm

area=√3/4.side^2

=√3/4.60.60 cm^2

=900√3cm^2

b is the correct answer