IGCSE /Grade 9
Maths MCQ Based On Calculate area perimeter radius and diameter for semicircles
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IGCSE Grade 9 Maths Calculate area perimeter radius and diameter for semicircles
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Recall the formula
Use the formula for the area of a semicircle: A = (π * r²) / 2.
First find the radius using the perimeter formula, then use the area formula.
Remember that perimeter is the boundary of a figure.
The circumference of a semicircle is half the circumference of the corresponding full circle.
Half of a circle is a semicircle.
First find the radius using the area formula, then use the perimeter formula.
Area of the semi circle can be found using the following formula:
The formula for the perimeter of a semicircle is P = (π * d) / 2 + d.
Find out the perimeter of the pond.
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