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 8 mm long and 2 mm wide. Find its area.
Answer: 16 mm2
- A = length × width = 8 × 2
- = 16 mm2
2.A rectangle is 8 m long and 7 m wide. Find its perimeter.
Answer: 30 m
- P = 2 × (8 + 7)
- = 2 × 15 = 30 m
3.A rectangle is 4 mm long and 12 mm wide. Find its area.
Answer: 48 mm2
- A = length × width = 4 × 12
- = 48 mm2
4.A rectangle is 12 mm long and 10 mm wide. Find its perimeter.
Answer: 44 mm
- P = 2 × (12 + 10)
- = 2 × 22 = 44 mm
5.A rectangle is 8 mm long and 4 mm wide. Find its area.
Answer: 32 mm2
- A = length × width = 8 × 4
- = 32 mm2
6.A rectangle is 6 m long and 2 m wide. Find its area.
Answer: 12 m2
- A = length × width = 6 × 2
- = 12 m2
7.A rectangle is 10 m long and 7 m wide. Find its perimeter.
Answer: 34 m
- P = 2 × (10 + 7)
- = 2 × 17 = 34 m
8.A rectangle is 9 m long and 7 m wide. Find its area.
Answer: 63 m2
- A = length × width = 9 × 7
- = 63 m2
9.A rectangle is 6 m long and 8 m wide. Find its area.
Answer: 48 m2
- A = length × width = 6 × 8
- = 48 m2
10.A rectangle is 9 cm long and 10 cm wide. Find its area.
Answer: 90 cm2
- A = length × width = 9 × 10
- = 90 cm2
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