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Solve each problem
21. The diameter of a drum is 70 cm What is the area covered where the drum stands?
22. Find the area of a circle with radius 4 cm
23 Emir has a circular pond in his yard. What is the area of the pond if its radius is 5 meters?
24 A circular park has a diameter of 150 meters What is its area?
25 The bottom of a circular swimming pool with a diameter of 30 feet is made up of green tiles How many
square feet is that?
Solve each problem
21. The diameter of a drum is 70 cm What is the area covered where the drum stands?
22. Find the area of a circle with radius 4 cm
23 Emir has a circular pond in his yard. What is the area of the pond if its radius is 5 meters?
24 A circular park has a diameter of 150 meters What is its area?
25 The bottom of a circular swimming pool with a diameter of 30 feet is made up of green tiles How many
square feet is that?
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Answer:
21. 70÷2=35
=3.14×35×35
=11099.9cm²
22. =3.14×4×4
=50.24cm²
23. =3.14×5×5
=78.5m²
24. 150÷2=75
=3.14×75×75
=17662.5m²
25. 30÷2=15
=3.14×15×15
=706.5sq.ft²
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