Class 9 Practice Level 3 – Set 2 – Heron's Formula

Total questions: 15

A triangular garden has sides 70m, 80m and 90m. Calculate its using Heron's formula.

Topic: Practical Geometry

$ \displaystyle 3000\text{ }{{\text{m}}^{2}}$

$ \displaystyle 2683\text{ }{{\text{m}}^{2}}$

$ \displaystyle 2700\text{ }{{\text{m}}^{2}}$

$ \displaystyle 2500\text{ }{{\text{m}}^{2}}$

None

A triangle has sides 21 cm, 28 cm, and 35cm. Calculate its area using Heron's formula .

Topic: Complex Triangle Calculation

$ \displaystyle \text{315 c}{{\text{m}}^{2}}$

$ \displaystyle \text{294 c}{{\text{m}}^{2}}$

$ \displaystyle \text{308 c}{{\text{m}}^{2}}$

$ \displaystyle \text{324 c}{{\text{m}}^{2}}$

None

A triangle has sides 8 cm, 15 cm, and 17 cm. What is the area using Heron's formula ?

Topic: Challenging Triangle Calculation

$ \displaystyle \text{72 c}{{\text{m}}^{2}}$

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

$ \displaystyle \text{60 c}{{\text{m}}^{2}}$

$ \displaystyle \text{84 c}{{\text{m}}^{2}}$

None

A triangle has sides 19cm, 27cm, and 34cm. Calculate its area using Heron's formula.

Topic: Complex Geometry Calculation

$ \displaystyle \text{240 c}{{\text{m}}^{2}}$

$ \displaystyle \text{276 c}{{\text{m}}^{2}}$

$ \displaystyle \text{264 c}{{\text{m}}^{2}}$

$ \displaystyle \text{256 c}{{\text{m}}^{2}}$

None

A triangle has sides 16cm, 30cm, and 34cm, calculate its area using Heron's formula?

Topic: Special Triangles Application

$ \displaystyle \text{260 c}{{\text{m}}^{2}}$

$ \displaystyle \text{240 c}{{\text{m}}^{2}}$

$ \displaystyle \text{250 c}{{\text{m}}^{2}}$

$ \displaystyle \text{230 c}{{\text{m}}^{2}}$

None

For a triangle with sides 13cm, 14cm, and 15cm, calculate the area using Heron's formula?

Topic: Application in Advanced Problems

$ \displaystyle \text{86 c}{{\text{m}}^{2}}$

$ \displaystyle \text{84 c}{{\text{m}}^{2}}$

$ \displaystyle \text{88 c}{{\text{m}}^{2}}$

$ \displaystyle \text{82 c}{{\text{m}}^{2}}$

None

A triangle has sides 28 cm, 45cm, and 53cm. Calculate its area using Heron's formula.

Topic: Special Triangles Properties

$ \displaystyle \text{636 c}{{\text{m}}^{2}}$

$ \displaystyle \text{624 c}{{\text{m}}^{2}}$

$ \displaystyle \text{642 c}{{\text{m}}^{2}}$

$ \displaystyle \text{630 c}{{\text{m}}^{2}}$

None

A traingle has sides 39cm, 52cm, and 65cm. Find the area using Heron's formula.

Topic: Advanced Semi-Perimeter Calculation

$ \displaystyle \text{1020 c}{{\text{m}}^{2}}$

$ \displaystyle \text{1014 c}{{\text{m}}^{2}}$

$ \displaystyle \text{1000 c}{{\text{m}}^{2}}$

$ \displaystyle \text{1054 c}{{\text{m}}^{2}}$

None

A triangle has sides 27 cm, 36 cm, and 45 cm. Calculate its area using Heron's formula .

Topic: Advanced Application of Heron's Formula

$ \displaystyle \text{432 c}{{\text{m}}^{2}}$

$ \displaystyle \text{540 c}{{\text{m}}^{2}}$

$ \displaystyle \text{486 c}{{\text{m}}^{2}}$

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

None

10.

A triangular piece of land has sides 50 m, 60 m, and 70 m. Find the area using Heron's formula .

Topic: Real-Life Application of Heron's Formula

$ \displaystyle \text{1300 }{{\text{m}}^{2}}$

$ \displaystyle \text{1400 }{{\text{m}}^{2}}$

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

$ \displaystyle \text{1469 }{{\text{m}}^{2}}$

None

11.

A triangular plot of land has sides 45m, 60m, and 75m.What is the area of the plot using Heron's formula?

Topic: Real-life Application

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

$ \displaystyle 1080\text{ }{{\text{m}}^{2}}$

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

$ \displaystyle 900\text{ }{{\text{m}}^{2}}$

None

12.

A triangle has sides 40 cm, 60 cm, and 80 cm. Calculate its area using Heron's formula.

Topic: Advanced Geometry

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

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

$ \displaystyle \text{1162 c}{{\text{m}}^{2}}$

$ \displaystyle \text{1156 c}{{\text{m}}^{2}}$

None

13.

Find the area of triangle with sides 18cm, 24 cm and 30cm using Heron's formula.

Topic: Complex Triangle Calculation

$ \displaystyle \text{224 c}{{\text{m}}^{2}}$

$ \displaystyle \text{220 c}{{\text{m}}^{2}}$

$ \displaystyle \text{230 c}{{\text{m}}^{2}}$

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

None

14.

A triangle has sides 40cm, 21cm, and 29cm. Calculate its area using Heron's formula.

Topic: Challenging Triangle Area Calculation

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

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

$ \displaystyle \text{207 c}{{\text{m}}^{2}}$

$ \displaystyle \text{201 c}{{\text{m}}^{2}}$

None

15.

A triangle has sides 26cm, 28cm, and 30cm. Calculate the area using Heron's formula.

Topic: Challenging Geometry

$ \displaystyle \text{376 c}{{\text{m}}^{2}}$

$ \displaystyle \text{352 c}{{\text{m}}^{2}}$

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

$ \displaystyle \text{368 c}{{\text{m}}^{2}}$

None

1 out of 15

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Class 9 Practice Level 3 – Set 2 – Heron's Formula

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