7th Grade Area and Perimeter Worksheet — Level 2 — Answers
Answer sheet with worked solutions for the 7th Grade area & perimeter worksheet.
Success TutoringWorksheetsAnswer sheet7th Grade · Mathematics · Area & Perimeter7th Grade Area and Perimeter Worksheet — Level 2 — Answers
Write the formula, substitute, then calculate. Include units.
1.A triangle has a base of 4 m and a height of 10 m. Find its area.
Answer: 20 m2
- A = ½ × base × height = ½ × 4 × 10
- = 20 m2
2.A rectangle is 12 m long and 2 m wide. Find its perimeter.
Answer: 28 m
- P = 2 × (12 + 2)
- = 2 × 14 = 28 m
3.A triangle has a base of 16 cm and a height of 13 cm. Find its area.
Answer: 104 cm2
- A = ½ × base × height = ½ × 16 × 13
- = 104 cm2
4.A rectangle is 22 m long and 13 m wide. Find its perimeter.
Answer: 70 m
- P = 2 × (22 + 13)
- = 2 × 35 = 70 m
5.A triangle has a base of 17 mm and a height of 10 mm. Find its area.
Answer: 85 mm2
- A = ½ × base × height = ½ × 17 × 10
- = 85 mm2
6.A rectangle is 25 cm long and 16 cm wide. Find its perimeter.
Answer: 82 cm
- P = 2 × (25 + 16)
- = 2 × 41 = 82 cm
7.A rectangle is 27 mm long and 7 mm wide. Find its area.
Answer: 189 mm2
- A = length × width = 27 × 7
- = 189 mm2
8.A rectangle is 17 cm long and 7 cm wide. Find its perimeter.
Answer: 48 cm
- P = 2 × (17 + 7)
- = 2 × 24 = 48 cm
9.A rectangle is 19 mm long and 5 mm wide. Find its area.
Answer: 95 mm2
- A = length × width = 19 × 5
- = 95 mm2
10.A rectangle is 5 mm long and 16 mm wide. Find its area.
Answer: 80 mm2
- A = length × width = 5 × 16
- = 80 mm2
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