Year 7 Area and Perimeter Worksheet — Level 2 — Answers
Answer sheet with worked solutions for the Year 7 area & perimeter worksheet.
Success TutoringWorksheetsAnswer sheetYear 7 · Mathematics · Area & PerimeterYear 7 Area and Perimeter Worksheet — Level 2 — Answers
Write the formula, substitute, then calculate. Include units.
1.A triangle has a base of 13 cm and a perpendicular height of 4 cm. Find its area.
Answer: 26 cm2
- A = ½ × base × height = ½ × 13 × 4
- = 26 cm2
2.A rectangle is 29 mm long and 13 mm wide. Find its perimeter.
Answer: 84 mm
- P = 2 × (29 + 13)
- = 2 × 42 = 84 mm
3.A rectangle is 24 m long and 16 m wide. Find its area.
Answer: 384 m2
- A = length × width = 24 × 16
- = 384 m2
4.A rectangle is 15 mm long and 3 mm wide. Find its area.
Answer: 45 mm2
- A = length × width = 15 × 3
- = 45 mm2
5.A rectangle is 15 m long and 7 m wide. Find its perimeter.
Answer: 44 m
- P = 2 × (15 + 7)
- = 2 × 22 = 44 m
6.A rectangle is 24 cm long and 15 cm wide. Find its area.
Answer: 360 cm2
- A = length × width = 24 × 15
- = 360 cm2
7.A triangle has a base of 4 m and a perpendicular height of 5 m. Find its area.
Answer: 10 m2
- A = ½ × base × height = ½ × 4 × 5
- = 10 m2
8.A triangle has a base of 4 cm and a perpendicular height of 3 cm. Find its area.
Answer: 6 cm2
- A = ½ × base × height = ½ × 4 × 3
- = 6 cm2
9.A triangle has a base of 12 m and a perpendicular height of 4 m. Find its area.
Answer: 24 m2
- A = ½ × base × height = ½ × 12 × 4
- = 24 m2
10.A triangle has a base of 15 mm and a perpendicular height of 15 mm. Find its area.
Answer: 112.5 mm2
- A = ½ × base × height = ½ × 15 × 15
- = 112.5 mm2
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