Year 8 Area and Perimeter Worksheet — Level 1 — Practice Set 3 — Answers
Answer sheet with worked solutions for the Year 8 area & perimeter worksheet.
Success TutoringWorksheetsAnswer sheetYear 8 · Mathematics · Area & PerimeterYear 8 Area and Perimeter Worksheet — Level 1 — Practice Set 3 — Answers
Write the formula, substitute, then calculate. Include units.
1.A rectangle is 2 cm long and 3 cm wide. Find its area.
Answer: 6 cm2
- A = length × width = 2 × 3
- = 6 cm2
2.A rectangle is 10 cm long and 9 cm wide. Find its area.
Answer: 90 cm2
- A = length × width = 10 × 9
- = 90 cm2
3.A rectangle is 8 cm long and 4 cm wide. Find its area.
Answer: 32 cm2
- A = length × width = 8 × 4
- = 32 cm2
4.A rectangle is 6 mm long and 10 mm wide. Find its area.
Answer: 60 mm2
- A = length × width = 6 × 10
- = 60 mm2
5.A rectangle is 11 m long and 7 m wide. Find its perimeter.
Answer: 36 m
- P = 2 × (11 + 7)
- = 2 × 18 = 36 m
6.A rectangle is 9 mm long and 2 mm wide. Find its area.
Answer: 18 mm2
- A = length × width = 9 × 2
- = 18 mm2
7.A rectangle is 11 cm long and 2 cm wide. Find its perimeter.
Answer: 26 cm
- P = 2 × (11 + 2)
- = 2 × 13 = 26 cm
8.A rectangle is 8 cm long and 12 cm wide. Find its area.
Answer: 96 cm2
- A = length × width = 8 × 12
- = 96 cm2
9.A rectangle is 9 cm long and 11 cm wide. Find its perimeter.
Answer: 40 cm
- P = 2 × (9 + 11)
- = 2 × 20 = 40 cm
10.A rectangle is 11 cm long and 4 cm wide. Find its perimeter.
Answer: 30 cm
- P = 2 × (11 + 4)
- = 2 × 15 = 30 cm
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