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Mathematics
7th
grade
Area of Circles, Semi-Circles, and Quarter-Circles
12 questions
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- 1. Multiple Choice
What is the formula to find the area of a circle?
A = πd
A = 2πr
A = πr2
A = xyz
- 2. Multiple ChoiceWhat is the area of this circle?163.215.3124.2113.1
- 3. Multiple Choice
What is the area of this circle?
1256.64
31.41
314.16
123.12
- 4. Multiple ChoiceWhat is the area of this circle?62.59113.119.8128.27
- 5. Multiple ChoiceWhat is the area of this circle?201.0650.27123.1294.43
- 6. Multiple Choice
what is the formula for finding the area of a semi-circle
A = π r2
C = π r2
A = π r2 / 2
A = 2 π r
- 7. Multiple Choice
what is this shape called
circle
semi circle
moon
triangle
- 8. Multiple ChoiceWhat is the area of this semi circle?100.5 square cm25.1 square cm50.3 square cm12.6 square cm
- 9. Multiple Choicewhat is the area of this semicircle ?
d = 8 cm100.48 cm280 cm2200.96 cm225.12 cm2 - 10. Multiple Choice
Find the area of the quarter circle. Round you answer to the nearest hundredth.
58.88
78.50
7.85
157.00
- 11. Multiple ChoiceFins the area of this quarter circle with a radius of 6 cm.56.52 cm113.04 cm28.26 cm37.68 cm
- 12. Multiple ChoiceFind the area of this quarter circle with a radius of 18 cm.1017.36 cm254.34 cm26.52 cm123.65 cm
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