Area — Practice Quiz
CBSE · Class 8 · Mathematics
Try a 4-question quiz on Area for CBSE Class 8 Mathematics: tap an answer to check it and see why. 73 questions in the full chapter test.
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Quick Quiz: Area
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A rectangle has length 12 cm and width 5 cm. What is its area?
A triangle has base 14 cm and height 9 cm. What is its area?
A parallelogram has base 18 cm and height 7 cm. What is its area?
A rhombus has diagonals 16 cm and 10 cm. What is its area?
Sample Questions
A trapezium has parallel sides 11 cm and 15 cm, and height 8 cm. What is its area?
Show answer
104 cm²
Use area of a trapezium = 1/2 × height × sum of the parallel sides. So, 1/2 × 8 × (11 + 15) = 4 × 26 = 104 cm². The correct answer is 104 cm².
A triangle has area 30 cm² and base 12 cm. What is its height?
Show answer
5 cm
Use area = 1/2 × base × height. So, 30 = 1/2 × 12 × height = 6 × height. Therefore, height = 30 ÷ 6 = 5 cm. The correct answer is 5 cm.
A triangle has area 42 cm² and height 7 cm. What is its base?
Show answer
12 cm
Use area = 1/2 × base × height. So, 42 = 1/2 × base × 7 = 3.5 × base. Therefore, base = 42 ÷ 3.5 = 12 cm. The correct answer is 12 cm.
A parallelogram has area 96 cm² and base 12 cm. What is its height?
Show answer
8 cm
Use area of a parallelogram = base × height. So, 96 = 12 × height. Therefore, height = 96 ÷ 12 = 8 cm. The correct answer is 8 cm.
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
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