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The radius of a semicircle is 1 kilometer. What is the semicircle's area?
r
1 km
Round your answer to the nearest hundredth.
square kilometers
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Not feeling ready yet? These can help:
Skill IconBB.9Semicircles: calculate area, perimeter, radius, and diameter
Skill IconBB.10Quarter circles: calculate area, perimeter, and radius
Skill IconV.4Area and circumference of circles