A. Calculate the area, given each radius or diameter. Use π = 3.14 . Write your solutions and final answers in your notebook.
1. radius - 40 mm
2. radius - 2.8 m
3. radius - 15 units
4. diameter - 9 cm
5. diameter - 142.8 mm
(Need ng matinong sagot)
Useful Answer=Heart,Rate
Useless/Nonsense Answer=Report
1. radius - 40 mm
2. radius - 2.8 m
3. radius - 15 units
4. diameter - 9 cm
5. diameter - 142.8 mm
(Need ng matinong sagot)
Useful Answer=Heart,Rate
Useless/Nonsense Answer=Report
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Answer:
1) 3.14 × (40mm)² = 5,024 mm²
2) 3.14 • (2.8m)² = 24. 62 m²
3) 3.14 • (15units)² = 706.5 units
4) 3.14 • (9cm)² = 254.34 cm²
5) 3.14 • (142.8 mm)² = 64,030.38 mm²
Step-by-step explanation:
Area of a circle = πr²