H.4

Semicircles & Quarter Circles

Find the area and perimeter of semicircles and quarter circles (π ≈ 3.14).

Level

Medium

Level

Problems

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@page { size: letter; margin: 0; } @media print { .ws-page + .ws-page { break-before: page; } } Daniel Math Academy \cdot Grade 7 Math Semicircles & Quarter Circles Skill H.4 \cdot Circles \cdot ★★☆ Medium Name Date Score / 6 Scan for answers Use π \approx 3.14. Include units. Example 10 cm Find the area. 39.25 cm² Think: Half of a circle with radius 5: 3.14 \times 5^{2} \div 2 = 39.25 . Its perimeter is half the circumference plus the diameter. 1 6 m Find the area. 2 2 ft Find the area. 3 2 cm Find the area. 4 6 ft Find the area. 5 8 in Find the area. 6 14 ft Find the area. Daniel Math Academy \cdot danielmath.com Worksheet # 8fpyswe \cdot Page 1 / 2 Daniel Math Academy \cdot Grade 7 Math Answer Key H.4 Semicircles & Quarter Circles \cdot ★★☆ Medium 1 14.13 m² 2 3.14 ft² 3 3.14 cm² 4 28.26 ft² 5 25.12 in² 6 76.93 ft² Daniel Math Academy \cdot danielmath.com Worksheet # 8fpyswe \cdot Answer Key \cdot Page 2 / 2

H. Circles4 skills