Question

Calculate the area and the height of the Equilateral Triangle whose perimeter is 48 cm​

Answer 1

Step-by-step explanation:

Given, perimeter of equilateral triangle is 60cm.

Perimeter of equilateral triangle=60cm

3× side =60

∴ side =

3

60

=20cm.

Area of equilateral triangle =

4

3

(side)

2

=

4

3

×20

2

=100

3

cm

2

=173.2cm

2

Height of equilateral triangle =

2

3

(side)

=

2

3

×20

=10

3

cm=17.32cm