All in One Mathematics>Chapter 10 - Heron's Formula>Exam Practice>Q 10

HARD

9th CBSE

IMPORTANT

Earn 100

An isosceles right angled triangle has area $8 {cm}^{2}$ . Find the length of its hypotenuse.

Important Questions on Heron's Formula

HARD

9th CBSE

IMPORTANT

All in One Mathematics>Chapter 10 - Heron's Formula>Exam Practice>Q 11

If the sides of an equilateral triangle are tripled, then find its new area.

HARD

9th CBSE

IMPORTANT

All in One Mathematics>Chapter 10 - Heron's Formula>Exam Practice>Q 12

If the sides of a triangle are

13 cm, 14 cm

and

15 cm

. Then, find the area of the triangle.

HARD

9th CBSE

IMPORTANT

All in One Mathematics>Chapter 10 - Heron's Formula>Exam Practice>Q 13

Find the area of the triangle having perimeter

32 cm

, one side

11 cm

and difference of other two sides is

5 cm

.

HARD

9th CBSE

IMPORTANT

All in One Mathematics>Chapter 10 - Heron's Formula>Exam Practice>Q 14

If the length of a median of an equilateral triangle is

x cm

, find its area.

HARD

9th CBSE

IMPORTANT

All in One Mathematics>Chapter 10 - Heron's Formula>Exam Practice>Q 15

The perimeter of a triangular field is

450 m

and its sides are in the ratio

13 : 12 : 5

. Find the area of the triangle.

HARD

9th CBSE

IMPORTANT

All in One Mathematics>Chapter 10 - Heron's Formula>Exam Practice>Q 16

The sides of a triangular ground are $5 m, 7 m$ and $8 m$ , respectively. Find the cost of levelling the ground at the rate of $₹ 10$ per $m^{2}$ .

HARD

9th CBSE

IMPORTANT

All in One Mathematics>Chapter 10 - Heron's Formula>Exam Practice>Q 17

The sides of a triangular field are

51 m, 37 m

and

20 m

. Find the number of flower beds that can be prepared, if each bed is to occupy

9 m^{2}

of space.

HARD

9th CBSE

IMPORTANT

All in One Mathematics>Chapter 10 - Heron's Formula>Exam Practice>Q 18

The sides of a triangle are

11 cm, 60 cm

and

61 cm

. Find the altitude of the smallest side.