Question

The height of the triangle is 6 cm calculate the length of the sides of the triangle correct to a millimeter
​

Answer 1

Answer:

Height of an equilateral triangle =6cm

Let x be a side of triangle.

Height of the equilateral triangle =

2

3

(side)=

2

3

x.

6=

2

3

x

x=

3

12

x=

3

12

3

=6.92cm

Now,

Area of a triangle =

4

3

(side)

2

=

4

3

×6.92×6.92=20.76cm