The area of an equilateral triangle with side 12cm is 36√3 cm2
True
False
The correct option is A. True
Area of an equilateral triangle of side a is √34 × a2
Given side = 12 cm
∴ Area = √34 × 12 × 12 = 36√3 cm2
The area of an equilateral triangle with side 12cm cannot be found.
The length of an altitude of an equilateral triangle having side length of 6 cm is 2√6 cm.
The length of an altitude of an equilateral triangle having side length of 6 cm is 2√6 cm
State whether true or false: The perimeter of an equilateral triangle having side 5 cm is 10 cm.