I need help with 7th grade math please 45 points need help ASAP + brainleist
2 answers:
Answer:
<u>77.98 ft</u>
Step-by-step explanation:
Perimeter :
- 2(21) + 14 + 3.14 x 7
- 42 + 14 + 21.98
- 56 + 21.98
- <u>77.98 ft</u>
Answer:
Area = 601.8760801 ft^2
Step-by-step explanation:
Area of Rectangle: Area = Length* Height
Area of a Semi-Circle = π*r^2 /2
Area of Rectangle: Area = 14 * 21 = 294 ft^2
Area of a Semi-Circle = π * 14^2 / 2 = π * 196/2 = π * 98 ft^2
Add the Two Area: 294 ft^2 + 98π ft^2 = 601.8760801 ft^2
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Step-by-step explanation:
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