Question

Find the area of an equilateral triangle with perimeter equal to 18 cm and altitude measuring 4 centimetre

Answer 1

The formula is half into base into height then the perimeter the given as 18 cm and it is a equilateral triangle each side can be 6 CM so the value of the base is 6 cm and the height is 4 cm to the formula half into 6 into 4 the value is 12 CM square units