Year 9 Area and Perimeter Worksheet — Level 2 — Answers
Answer sheet with worked solutions for the Year 9 area & perimeter worksheet.
Success TutoringWorksheetsAnswer sheetYear 9 · Mathematics · Area & PerimeterYear 9 Area and Perimeter Worksheet — Level 2 — Answers
Write the formula, substitute, then calculate. Include units.
1.A triangle has a base of 6 cm and a perpendicular height of 12 cm. Find its area.
Answer: 36 cm2
- A = ½ × base × height = ½ × 6 × 12
- = 36 cm2
2.A rectangle is 14 m long and 11 m wide. Find its area.
Answer: 154 m2
- A = length × width = 14 × 11
- = 154 m2
3.A rectangle is 21 m long and 2 m wide. Find its area.
Answer: 42 m2
- A = length × width = 21 × 2
- = 42 m2
4.A triangle has a base of 19 cm and a perpendicular height of 12 cm. Find its area.
Answer: 114 cm2
- A = ½ × base × height = ½ × 19 × 12
- = 114 cm2
5.A rectangle is 13 m long and 4 m wide. Find its area.
Answer: 52 m2
- A = length × width = 13 × 4
- = 52 m2
6.A triangle has a base of 8 m and a perpendicular height of 5 m. Find its area.
Answer: 20 m2
- A = ½ × base × height = ½ × 8 × 5
- = 20 m2
7.A rectangle is 27 m long and 15 m wide. Find its area.
Answer: 405 m2
- A = length × width = 27 × 15
- = 405 m2
8.A triangle has a base of 5 cm and a perpendicular height of 6 cm. Find its area.
Answer: 15 cm2
- A = ½ × base × height = ½ × 5 × 6
- = 15 cm2
9.A rectangle is 12 mm long and 19 mm wide. Find its area.
Answer: 228 mm2
- A = length × width = 12 × 19
- = 228 mm2
10.A rectangle is 24 m long and 5 m wide. Find its area.
Answer: 120 m2
- A = length × width = 24 × 5
- = 120 m2
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