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Class 8 Area worksheet
CBSE Mathematics. Areas of triangles, parallelograms, rhombuses and trapeziums, missing lengths, composite shapes and fields. Every sheet has 20 questions in three sections and an answer key, and the numbers change every time.
Sample questions
Real questions from this chapter, as the app sets them. Tap Answer to see the answer and working.
Section A · multiple choice
- 1.
A triangle has base 11 cm and height 13 cm. Its area is:
- 24 cm²
- 143 cm²
- 77 cm²
- 71.5 cm²
Answer
(d) 71.5 cm²
½ × 11 × 13
- 2.
A parallelogram has base 40 m and height 20 m. Its area is:
- 800 m²
- 400 m²
- 120 m²
- 820 m²
Answer
(a) 800 m²
40 × 20
- 3.
The area of a triangle is:
- 2 × base × height
- base + height
- ½ × base × height
- base × height
Answer
(c) ½ × base × height
Section B · short answer
- 4.
Find the area of a trapezium with parallel sides 6 cm and 31 cm and height 15 cm.
Answer
277.5 cm²
½ × 37 × 15
- 5.
A rhombus has area 289 cm² and one diagonal 34 cm. Find the other diagonal.
Answer
17 cm
2 × 289 ÷ 34
Section C · long answer
- 6.
A field is a trapezium with parallel sides 56 m and 75 m, 58 m apart. Ploughing costs Rs 4 per m². Find the area and the cost.
Answer
3799 m²; Rs 15,196
½ × 131 × 58 = 3799; × 4
Fresh sheets for your child
In the app, every Area sheet is new: the app remembers the questions your child has already had and leaves them out. Print the sheet as a PDF, or use notebook mode and write the answers in a notebook.
Coming soon for Android and iPhone.