Year 8 Area and Perimeter Worksheet — Level 1 — Practice Set 4 — 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 4 — Answers
Write the formula, substitute, then calculate. Include units.
1.A rectangle is 2 mm long and 6 mm wide. Find its area.
Answer: 12 mm2
- A = length × width = 2 × 6
- = 12 mm2
2.A rectangle is 7 mm long and 10 mm wide. Find its perimeter.
Answer: 34 mm
- P = 2 × (7 + 10)
- = 2 × 17 = 34 mm
3.A rectangle is 8 cm long and 8 cm wide. Find its area.
Answer: 64 cm2
- A = length × width = 8 × 8
- = 64 cm2
4.A rectangle is 3 mm long and 7 mm wide. Find its area.
Answer: 21 mm2
- A = length × width = 3 × 7
- = 21 mm2
5.A rectangle is 12 mm long and 5 mm wide. Find its perimeter.
Answer: 34 mm
- P = 2 × (12 + 5)
- = 2 × 17 = 34 mm
6.A rectangle is 11 m long and 12 m wide. Find its area.
Answer: 132 m2
- A = length × width = 11 × 12
- = 132 m2
7.A rectangle is 2 cm long and 11 cm wide. Find its perimeter.
Answer: 26 cm
- P = 2 × (2 + 11)
- = 2 × 13 = 26 cm
8.A rectangle is 8 cm long and 3 cm wide. Find its perimeter.
Answer: 22 cm
- P = 2 × (8 + 3)
- = 2 × 11 = 22 cm
9.A rectangle is 9 cm long and 8 cm wide. Find its area.
Answer: 72 cm2
- A = length × width = 9 × 8
- = 72 cm2
10.A rectangle is 11 mm long and 12 mm wide. Find its perimeter.
Answer: 46 mm
- P = 2 × (11 + 12)
- = 2 × 23 = 46 mm
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