Question

find the area and height of equilateral triangle having side 2a​

Answer 1

Answer:

Area of an equilateral

Δ=

4

3

A

2

=

4

3

(2a)

2

=

4

3

×4a

2

Area =

3

a

2

AD=h= height

Area =

2

1

×base×height

3

a

2

=

2

1

×2a×h

∴h=

3

a