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Kaikerscupcake
Kaikerscupcake Kaikerscupcake
  • 28-01-2016
  • Mathematics
Answered

Find the area of the irregular shape. Round to the nearest tenth.

Find the area of the irregular shape. Round to the nearest tenth. class=

Verified Answer :

taskmasters
taskmasters taskmasters
  • 28-01-2016

Given: 
Irregular Shape: 
Semi-circle and rectangle:

Area of a rectangle = l w
Area of a semi-circle = (π r²)/2

Area of rectangle = 8 cm 5 cm = 40cm²
Area of a semi-circle = (3.14 (4²))/2 = (3.14*16)/2 = 50.24/2 = 25.12cm²
4² is taken from diameter of 8cm divided by 2 to get the radius.

Total area = 40 cm² + 25.12 cm² = 65.12 cm²

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