Year 10 Area and Perimeter Worksheet — Level 2 — Answers
Answer sheet with worked solutions for the Year 10 area & perimeter worksheet.
Success TutoringWorksheetsAnswer sheetYear 10 · Mathematics · Area & PerimeterYear 10 Area and Perimeter Worksheet — Level 2 — Answers
Write the formula, substitute, then calculate. Include units.
1.A rectangle is 13 m long and 12 m wide. Find its perimeter.
Answer: 50 m
- P = 2 × (13 + 12)
- = 2 × 25 = 50 m
2.A rectangle is 11 m long and 2 m wide. Find its area.
Answer: 22 m2
- A = length × width = 11 × 2
- = 22 m2
3.A rectangle is 13 cm long and 10 cm wide. Find its perimeter.
Answer: 46 cm
- P = 2 × (13 + 10)
- = 2 × 23 = 46 cm
4.A triangle has a base of 19 mm and a perpendicular height of 12 mm. Find its area.
Answer: 114 mm2
- A = ½ × base × height = ½ × 19 × 12
- = 114 mm2
5.A triangle has a base of 14 m and a perpendicular height of 6 m. Find its area.
Answer: 42 m2
- A = ½ × base × height = ½ × 14 × 6
- = 42 m2
6.A rectangle is 5 cm long and 16 cm wide. Find its area.
Answer: 80 cm2
- A = length × width = 5 × 16
- = 80 cm2
7.A rectangle is 18 mm long and 14 mm wide. Find its area.
Answer: 252 mm2
- A = length × width = 18 × 14
- = 252 mm2
8.A triangle has a base of 8 mm and a perpendicular height of 8 mm. Find its area.
Answer: 32 mm2
- A = ½ × base × height = ½ × 8 × 8
- = 32 mm2
9.A rectangle is 30 mm long and 4 mm wide. Find its area.
Answer: 120 mm2
- A = length × width = 30 × 4
- = 120 mm2
10.A rectangle is 30 cm long and 4 cm wide. Find its area.
Answer: 120 cm2
- A = length × width = 30 × 4
- = 120 cm2
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