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Find the perimeter and area of each of the following shape |
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Answer» semi CIRCLE withDiameter = 14 cmWhat To Find:We have to find the perimeter and area of the semi circle.Solution:Finding the perimeterUsing the formula,⇒ Substitute the values,⇒CANCEL 2 and 22 and 7 and 14,⇒ Multiply 11 by 14,⇒ Perimeter = 154 + 14Add 154 and 14,⇒ Perimeter = 168 cmFinding the areaUsing the formula,⇒ - where radius = half of diameter = 14/2 = 7 cmSubstitute the values,⇒ Cancel 2 and 22 and 7 and 7,⇒ Multiply 11 by 7,⇒ Area = 77 cm²∴ Therefore the perimeter and the area of the circle are 168 cm and 77 cm² respectively.Formula Used:→ → |
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