Area True or False
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1.
What is the area of a circle with diameter 10 mm? -> 14π mm
2
True
False
2.
What is the area of a two-dimensional circular pie with radius 4 inches? -> 8π in
2
True
False
3.
What is the circumference of a circle with an area of 81π km
2
? -> 18π km
True
False
4.
A circle has an area that is equal to twice its circumference. What is the radius of the circle? -> 4 units
True
False
5.
A semicircle's area is 32π in
2
. What is the diameter? -> 16 in
True
False
6.
What is the area of a sector with a central angle of 90° and a radius of 4 in? -> 2π in
2
True
False
7.
What is the measure of a sector (in degrees) that has a radius of 5 and an area of 10π? -> 72°
True
False
8.
What is the radius of a sector that has a measure of 80° and an area of 18π m
2
? -> 9 m
True
False
9.
A regular hexagon has a side length of 2 ft. What is the area of the hexagon? -> 12 ft
2
True
False
10.
A circle has a center at (-1, -1) and a point at (0, 4). What is its area? -> 26π units
2
True
False
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