The diagram shows a square with perimeter 20 cm. 3.5 cm Work out the percentage of the area inside that is shaded. 3 cm
Answers
Given : The diagram shows a square with perimeter 20 cm
To Find : percentage of the area inside Square that is shaded
Solution:
Perimeter of Square = 4 * side length
=> 4 * side length = 20 cm
=> Side length = 5 cm
Area of Square = 5 * 5 = 25 cm²
Shaded Area = Area of square - (1/2)*5* (5 - 3) - (1/2)*5*(5 - 3.5)
= 25 - (1/2)5(2 + 1.5)
= 25 - (1/2)5(3.5)
= 25 - 8.75
= 16.25
percentage of the area inside Square that is shaded = (16.25/25) * 100
= 65 %
percentage of the area inside Square that is shaded = 65
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Area of Square = 5 * 5 = 25 cm²
Step-by-step explanation : Given : The diagram shows a square with perimeter 20 cm
To Find : percentage of the area inside Square that is shaded
Solution:
Perimeter of Square = 4 * side length
=> 4 * side length = 20 cm
=> Side length = 5 cm
Shaded Area = Area of square - (1/2)*5* (5 - 3) - (1/2)*5*(5 - 3.5)
= 25 - (1/2)5(2 + 1.5)
= 25 - (1/2)5(3.5)
= 25 - 8.75
= 16.25
percentage of the area inside Square that is shaded = (16.25/25) * 100
= 65 %
percentage of the area inside Square that is shaded = 65