8th Grade Area and Perimeter Worksheet — Level 1 — Practice Set 2 — Answers
Answer sheet with worked solutions for the 8th Grade area & perimeter worksheet.
Success TutoringWorksheetsAnswer sheet8th Grade · Mathematics · Area & Perimeter8th Grade Area and Perimeter Worksheet — Level 1 — Practice Set 2 — Answers
Write the formula, substitute, then calculate. Include units.
1.A rectangle is 7 mm long and 5 mm wide. Find its perimeter.
Answer: 24 mm
- P = 2 × (7 + 5)
- = 2 × 12 = 24 mm
2.A rectangle is 7 mm long and 10 mm wide. Find its perimeter.
Answer: 34 mm
- P = 2 × (7 + 10)
- = 2 × 17 = 34 mm
3.A rectangle is 7 cm long and 7 cm wide. Find its perimeter.
Answer: 28 cm
- P = 2 × (7 + 7)
- = 2 × 14 = 28 cm
4.A rectangle is 10 cm long and 2 cm wide. Find its area.
Answer: 20 cm2
- A = length × width = 10 × 2
- = 20 cm2
5.A rectangle is 9 mm long and 4 mm wide. Find its perimeter.
Answer: 26 mm
- P = 2 × (9 + 4)
- = 2 × 13 = 26 mm
6.A rectangle is 5 cm long and 5 cm wide. Find its area.
Answer: 25 cm2
- A = length × width = 5 × 5
- = 25 cm2
7.A rectangle is 8 cm long and 12 cm wide. Find its area.
Answer: 96 cm2
- A = length × width = 8 × 12
- = 96 cm2
8.A rectangle is 11 cm long and 4 cm wide. Find its perimeter.
Answer: 30 cm
- P = 2 × (11 + 4)
- = 2 × 15 = 30 cm
9.A rectangle is 2 m long and 4 m wide. Find its area.
Answer: 8 m2
- A = length × width = 2 × 4
- = 8 m2
10.A rectangle is 6 cm long and 10 cm wide. Find its area.
Answer: 60 cm2
- A = length × width = 6 × 10
- = 60 cm2
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