area
find the area of a circle when the radius is 2 cm
12.56 cm squared
find the circumference when the diameter is 4 cm
12.56 cm
the distance from one edge of a circle to the other that goes through the circle’s center; twice the radius
diameter
which expression is equivalent to -3(5x -2)
-15x + 6
find the area of a circle when the radius is 23 mm
1661.06 mm squared
find the circumference when the diameter is 23 mm
72.22 mm
the length from a circle’s center to its edge; half the diameter
radius
simplify the following expression: 3a + 7b - 6a - 4b
-3a + 3b
find the area of a circle when the diameter is 10 m
78.5 m squared
find the circumference when the radius is 9 m
56.52 m
a numerical constant approximately equal to 3/14 or 22/7
pi
simplify: 3(2m - 13) + 3
6m - 36
find the area of a circle when the diameter is 78 cm
4775.94 cm squared
find the circumference when the radius is 58 cm
364.24 cm
the length around a circle
circumference
a triangle has a perimeter of 6y + 12. what is the length of one side of the triangle
2y + 4
find the area of a *semicircle* with a diameter of 8 cm
25.12 cm squared
if the circumference of a circle is 28.26 inches, find the diameter
9 in
the total space taken up by a 2D shape
area
if the length of a rectangle is y + 7, and the width of a rectangle is 2y + 3, what is the rectangle's perimeter?
6y + 20