Geometry & Mensuration Worksheet-4
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A triangle has a height of 8 meters and an area of 42.8 square meters. What is the base of the triangle?
A. 12.7 meters B. 10.7 meters
C. 5.35 meters D. 4.7 meters
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A box is a cube with sides of length 20 cm. What is the volume of the box in cubic cms ?
A. 8,000 B. 800 C. 400 D. 60
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Which of the angles in the figure below is an obtuse angle?

A. ADC B. CDB C. ADB D. DBA
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Find the measure of angle a?

A. 45º B. 60º C. 40º D. 65º
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Find the perimeter of a regular hexagon with each side measuring 6 meters.
A. 36 meters B. 12 meters C. 30 meters D. 42 meters
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Number of angles formed in the given figure is:

A. 3 B. 2 C. 1 D. 4
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The longest chord of a circle is:
A. radius B. diameter C. arc D. none of these
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60⁰, 20⁰ and 90⁰. Can they form a triangle?
A. No B. Yes C. Sometimes D. None of these
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If in a quadrilateral ABCD, ∠A = 120⁰, ∠B = 60⁰, ∠C = 100⁰ then ∠D = _____.
A. 80⁰ B. 90⁰ C. 180⁰ D. 360⁰
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A solid figure with 6 square surfaces is:
A. cuboid B. prism C. sphere D. cube
Answer Key:
1. (b); 2. (a); 3. (c); 4. (b); 5. (a); 6. (d); 7. (b); 8. (a); 9. (a); 10. (d)