Question

A toy pyramid has the dimensions shown below. The base of the pyramid i is an equilateral triangle. What is the ared

the base of this pyramid?
9 cm
21 cm
help

Answer 1

21
`cm^(2)`

Explanation:

Area of a triangle is A=
`(bh)/(2)`

For this triangle b=6 and h=7 so:

A=
`(bh)/(2)`

A=
`(6(7))/(2)`

A=21
`cm^(2)`