Class 9 Quiz Level 3 (Difficult) – Heron's Formula

Total questions: 10

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

Topic: Challenging Geometry

Deselect Answer

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

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

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

$ \displaystyle \text{210 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

Deselect Answer

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

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

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

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

None

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

Topic: Advanced Geometry

Deselect Answer

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

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

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

$ \displaystyle \text{1100 c}{{\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

Deselect Answer

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

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

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

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

None

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

Deselect Answer

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

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

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

$ \displaystyle \text{420 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

Deselect Answer

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

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

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

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

None

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

Topic: Challenging Geometry

Deselect Answer

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

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

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

$ \displaystyle \text{376 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

Deselect Answer

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

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

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

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

None

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

Topic: Practical Geometry

Deselect Answer

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

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

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

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

None

10.

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

Topic: Complex Geometry Calculation

Deselect Answer

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

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

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

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

None

1 out of 10

Class 9 Quiz Level 3 (Difficult) – Heron's Formula

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