Semicircle Area Calculator
MathFind the area and perimeter of a semicircle from its radius.
Area
The area enclosed by the semicircle
Perimeter
51.4159
The total boundary length, the curved arc plus the straight diameter
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Odeh Ahwal0people find this calculator helpful
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Calculator Stats
Creators
Odeh Ahwal0people find this calculator helpful
Views
Helpful
Saved
Embeds
Math calculators
Frequently Asked Questions
What is a semicircle?
A semicircle is half of a full circle, bounded by a straight diameter on one side and a curved arc on the other.
What is the area of a semicircle with a 10 unit radius?
A semicircle with a radius of 10 has an area of about 157.08 square units, half the area of the full circle.
What is the perimeter of a semicircle?
The perimeter combines the curved arc, pi times the radius, with the straight diameter, twice the radius, giving radius times the quantity pi plus 2.
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