Question

Find the length of altitude of an equilateral triangle of side 2cm.
help me.​

Answer 1

Answer:

The length of an altitude of an equilateral triangle is \sqrt 3\ cm

3

cm .

Step-by-step explanation:

Given : An equilateral triangle of side 2 cm.

To find : The length of an altitude of an equilateral triangle ?

Solution :

The altitude of the equilateral triangle is

h=\frac{\sqrt3}{2} ah=

2

3

a

The side of the equilateral triangle is a=2 cm.

Substitute the value,

h=\frac{\sqrt3}{2}\times 2h=

2

3

×2

h=\sqrt 3\ cmh=

3

cm

Therefore, the length of an altitude of an equilateral triangle is \sqrt 3\ cm

3

cm .

#Learn more

If in an equilateral triangle the length of the median is root3cm then find the length of the side of the equilateral triangle.