The area of an equilateral triangle is 81 /3 cm2, its height is :
A. 9√3 cm
B. 6√3 cm
C. 18√3 cm
D. 9 cm
Answer:A
The area of an equilateral triangle is 81 /3 cm2, its height is :
A. 9√3 cm B. 6√3 cm C. 18√3 cm D. 9 cm