Class 9 Practice Level 3 – Set 1 – Heron's Formula

Total questions: 15

A triangular garden has sides 35m, 80m and 85m. Calculate its using Heron's formula.

Topic: Practical Geometry

$ \displaystyle 1396\text{ }{{\text{m}}^{2}}$

$ \displaystyle 1050\text{ }{{\text{m}}^{2}}$

$ \displaystyle 1100\text{ }{{\text{m}}^{2}}$

$ \displaystyle 1200\text{ }{{\text{m}}^{2}}$

None

A triangle has sides 30 cm, 34 cm, and 58 cm. Calculate its area using Heron's formula.

Topic: Complex Geometry Calculation

$ \displaystyle \text{336 c}{{\text{m}}^{2}}$

$ \displaystyle \text{348 c}{{\text{m}}^{2}}$

$ \displaystyle \text{354 c}{{\text{m}}^{2}}$

$ \displaystyle \text{391 c}{{\text{m}}^{2}}$

None

A triangle has sides 45cm, 60cm, and 75cm. Calculate its area using Heron's formula.

Topic: Challenging Triangle Area Calculation

$ \displaystyle \text{1200 c}{{\text{m}}^{2}}$

$ \displaystyle \text{800 c}{{\text{m}}^{2}}$

$ \displaystyle \text{1350 c}{{\text{m}}^{2}}$

$ \displaystyle \text{1250 c}{{\text{m}}^{2}}$

None

A triangle has sides 7 cm, 15 cm, and 20 cm. What is the area using Heron's formula ?

Topic: Challenging Triangle Calculation

$ \displaystyle \text{48 c}{{\text{m}}^{2}}$

$ \displaystyle \text{51 c}{{\text{m}}^{2}}$

$ \displaystyle \text{42 c}{{\text{m}}^{2}}$

$ \displaystyle \text{50 c}{{\text{m}}^{2}}$

None

A triangle has sides 24 cm, 36 cm, and 48cm. Find the area using Heron's formula .

Topic: Complex Triangle Calculation

$ \displaystyle \text{480 c}{{\text{m}}^{2}}$

$ \displaystyle \text{460 c}{{\text{m}}^{2}}$

$ \displaystyle \text{418 c}{{\text{m}}^{2}}$

$ \displaystyle \text{504c}{{\text{m}}^{2}}$

None

A triangle has sides 17cm, 28 cm, and 45 cm. Calculate the area using Heron's formula.

Topic: Challenging Geometry

$ \displaystyle \text{180 c}{{\text{m}}^{2}}$

$ \displaystyle \text{210 c}{{\text{m}}^{2}}$

$ \displaystyle \text{0 c}{{\text{m}}^{2}}$

$ \displaystyle \text{140 c}{{\text{m}}^{2}}$

None

For a triangle with sides 30cm, 50cm, and 70cm, calculate the area using Heron's formula?

Topic: Application in Advanced Problems

$ \displaystyle \text{700 c}{{\text{m}}^{2}}$

$ \displaystyle \text{756 c}{{\text{m}}^{2}}$

$ \displaystyle \text{649 c}{{\text{m}}^{2}}$

$ \displaystyle \text{728 c}{{\text{m}}^{2}}$

None

A traingle has sides 33cm, 44cm, and 55cm. Find the area using Heron's formula.

Topic: Advanced Semi-Perimeter Calculation

$ \displaystyle \text{726 c}{{\text{m}}^{2}}$

$ \displaystyle \text{720 c}{{\text{m}}^{2}}$

$ \displaystyle \text{738 c}{{\text{m}}^{2}}$

$ \displaystyle \text{732 c}{{\text{m}}^{2}}$

None

A triangle has sides 32cm, 60cm, and 68cm. Calculate its area using Heron's formula.

Topic: Advanced Geometry

$ \displaystyle \text{1024 c}{{\text{m}}^{2}}$

$ \displaystyle \text{1100 c}{{\text{m}}^{2}}$

$ \displaystyle \text{1056 c}{{\text{m}}^{2}}$

$ \displaystyle \text{960 c}{{\text{m}}^{2}}$

None

10.

A triangular piece of land has sides 120 m, 130 m, and 150 m. Find the area using Heron's formula.

Topic: Real-Life Application of Heron's Formula

$ \displaystyle \text{ 7483}{{\text{m}}^{2}}$

$ \displaystyle \text{8600 }{{\text{m}}^{2}}$

$ \displaystyle \text{7000 }{{\text{m}}^{2}}$

$ \displaystyle \text{8200 }{{\text{m}}^{2}}$

None

11.

A triangular plot of land has sides 50m, 72m, and 78m.What is the area of the plot using Heron's formula?

Topic: Real-life Application

$ \displaystyle 1600\text{ }{{\text{m}}^{2}}$

$ \displaystyle 1755\text{ }{{\text{m}}^{2}}$

$ \displaystyle 1680\text{ }{{\text{m}}^{2}}$

$ \displaystyle 1700\text{ }{{\text{m}}^{2}}$

None

12.

Find the area of triangle with sides 26cm, 48 cm and 50cm using Heron's formula.

Topic: Complex Triangle Calculation

$ \displaystyle \text{600 c}{{\text{m}}^{2}}$

$ \displaystyle \text{612 c}{{\text{m}}^{2}}$

$ \displaystyle \text{648 c}{{\text{m}}^{2}}$

$ \displaystyle \text{672 c}{{\text{m}}^{2}}$

None

13.

A triangle has sides 14 cm, 48cm, and 50cm. Calculate its area using Heron's formula.

Topic: Special Triangles Application

$ \displaystyle \text{242 c}{{\text{m}}^{2}}$

$ \displaystyle \text{248 c}{{\text{m}}^{2}}$

$ \displaystyle \text{328 c}{{\text{m}}^{2}}$

$ \displaystyle \text{336 c}{{\text{m}}^{2}}$

None

14.

For a triangle with sides 20cm, 21cm, and 29 cm, calculate the area using Heron's formula?

Topic: Special Triangles Application

$ \displaystyle \text{210 c}{{\text{m}}^{2}}$

$ \displaystyle \text{216 c}{{\text{m}}^{2}}$

$ \displaystyle \text{204 c}{{\text{m}}^{2}}$

$ \displaystyle \text{222 c}{{\text{m}}^{2}}$

None

15.

A triangle has sides 25 cm, 39 cm, and 56 cm. Calculate its area using Heron's formula.

Topic: Advanced Application of Heron's Formula

$ \displaystyle \text{396 c}{{\text{m}}^{2}}$

$ \displaystyle \text{378 c}{{\text{m}}^{2}}$

$ \displaystyle \text{420 c}{{\text{m}}^{2}}$

$ \displaystyle \text{408 c}{{\text{m}}^{2}}$

None

1 out of 15

Time's up

Class 9 Practice Level 3 – Set 1 – Heron's Formula

Welcome back