9th Grade Area and Perimeter Worksheet — Level 1 — Practice Set 3 — Answers
Answer sheet with worked solutions for the 9th Grade area & perimeter worksheet.
Success TutoringWorksheetsAnswer sheet9th Grade · Mathematics · Area & Perimeter9th Grade Area and Perimeter Worksheet — Level 1 — Practice Set 3 — Answers
Write the formula, substitute, then calculate. Include units.
1.A rectangle is 5 mm long and 4 mm wide. Find its area.
Answer: 20 mm2
- A = length × width = 5 × 4
- = 20 mm2
2.A rectangle is 5 cm long and 7 cm wide. Find its area.
Answer: 35 cm2
- A = length × width = 5 × 7
- = 35 cm2
3.A rectangle is 7 mm long and 7 mm wide. Find its perimeter.
Answer: 28 mm
- P = 2 × (7 + 7)
- = 2 × 14 = 28 mm
4.A rectangle is 11 m long and 6 m wide. Find its perimeter.
Answer: 34 m
- P = 2 × (11 + 6)
- = 2 × 17 = 34 m
5.A rectangle is 10 m long and 2 m wide. Find its area.
Answer: 20 m2
- A = length × width = 10 × 2
- = 20 m2
6.A rectangle is 4 mm long and 2 mm wide. Find its area.
Answer: 8 mm2
- A = length × width = 4 × 2
- = 8 mm2
7.A rectangle is 8 cm long and 8 cm wide. Find its perimeter.
Answer: 32 cm
- P = 2 × (8 + 8)
- = 2 × 16 = 32 cm
8.A rectangle is 4 m long and 10 m wide. Find its area.
Answer: 40 m2
- A = length × width = 4 × 10
- = 40 m2
9.A rectangle is 5 cm long and 11 cm wide. Find its area.
Answer: 55 cm2
- A = length × width = 5 × 11
- = 55 cm2
10.A rectangle is 5 mm long and 12 mm wide. Find its area.
Answer: 60 mm2
- A = length × width = 5 × 12
- = 60 mm2
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