Name

Your Email ID

Mobile No

Grade

I agree to receive timely updates on Whatsapp

Area of Triangles (Herons Formula)

If the three sides of ΔPQR measure

3 / 4

cm,

11 / 4

cm and

10 / 4

cm then its semi - perimeter is ______ cm.
which of these correctly fills the given blank?

Check

Please fill out the fields marked in red.

6 cm
12 cm
24 cm
3 cm

Explanation

Well done !

Explanation:

We are given that sides of ΔPQR measure

3 / 4

cm,

11 / 4

cm and

10 / 4

cm.
Therefore, the perimeter of triangle = (

3 / 4

11 / 4

10 / 4

) =

24 / 4

= 6 cm.
So, the semi - perimeter of the triangle is

6 / 2

= 3 cm.

Explanation

Wrong answer !

The correct answer is :

3 cm

Explanation :

We are given that sides of ΔPQR measure

3 / 4

cm,

11 / 4

cm and

10 / 4

cm.
Therefore, the perimeter of triangle = (

3 / 4

11 / 4

10 / 4

) =

24 / 4

= 6 cm.
So, the semi - perimeter of the triangle is

6 / 2

= 3 cm.

Practice More Questions

Area of Triangles (Herons Formula)

The correct answer :

The correct answer is :

The correct answer is :