Year 10 Area and Perimeter Worksheet — Level 2 — Practice Set 4 — 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 — Practice Set 4 — Answers
Write the formula, substitute, then calculate. Include units.
1.A rectangle is 4 mm long and 5 mm wide. Find its area.
Answer: 20 mm2
- A = length × width = 4 × 5
- = 20 mm2
2.A triangle has a base of 10 m and a perpendicular height of 14 m. Find its area.
Answer: 70 m2
- A = ½ × base × height = ½ × 10 × 14
- = 70 m2
3.A rectangle is 2 cm long and 5 cm wide. Find its perimeter.
Answer: 14 cm
- P = 2 × (2 + 5)
- = 2 × 7 = 14 cm
4.A rectangle is 4 mm long and 15 mm wide. Find its perimeter.
Answer: 38 mm
- P = 2 × (4 + 15)
- = 2 × 19 = 38 mm
5.A rectangle is 3 mm long and 19 mm wide. Find its perimeter.
Answer: 44 mm
- P = 2 × (3 + 19)
- = 2 × 22 = 44 mm
6.A triangle has a base of 19 m and a perpendicular height of 4 m. Find its area.
Answer: 38 m2
- A = ½ × base × height = ½ × 19 × 4
- = 38 m2
7.A rectangle is 25 m long and 16 m wide. Find its area.
Answer: 400 m2
- A = length × width = 25 × 16
- = 400 m2
8.A rectangle is 2 cm long and 14 cm wide. Find its perimeter.
Answer: 32 cm
- P = 2 × (2 + 14)
- = 2 × 16 = 32 cm
9.A rectangle is 6 cm long and 18 cm wide. Find its area.
Answer: 108 cm2
- A = length × width = 6 × 18
- = 108 cm2
10.A rectangle is 8 mm long and 6 mm wide. Find its area.
Answer: 48 mm2
- A = length × width = 8 × 6
- = 48 mm2
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