cspivey9856 cspivey9856
  • 21-05-2022
  • Mathematics
contestada

i need help with 7th grade math please 45 points need help ASAP + brainleist

i need help with 7th grade math please 45 points need help ASAP brainleist class=

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andytran027
andytran027 andytran027
  • 21-05-2022

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

Answer Link
Аноним Аноним
  • 21-05-2022

Answer:

77.98 ft

Step-by-step explanation:

Perimeter :

  • 2(21) + 14 + 3.14 x 7
  • 42 + 14 + 21.98
  • 56 + 21.98
  • 77.98 ft
Answer Link

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