Definitions +
The distance from the center to circumference of a circle (draw on a circle)
Radius
Area of a rectangle
A = b * h
Diameter of a circle with radius 25 meters
D = 50 meters
Find the area of the shaded area.
604 cm^2
The distance through the exact middle of a circle (draw on a circle)
Diameter
Area of a triangle
A = 1/2 * b * h
Radius of a circle with diameter 13 ft
D = 6.5 ft
Find the area of the shaded space.
A = 48.3 ft^2
(write the two ways to round pi)
the ratio of the circumference of a circle to its diameter
(3.14 and 22/7)
Area of a circle
A = pi * r^2
= pi * r * r
Circumference of a circle with radius 7 mm
C = 44 mm
Find the area of the shaded section.
A = 46.24 m^2
The distance around a circle (draw it on a circle)
Circumference
Circumference (using radius)
C = 2 * pi * r
Diameter of a circle with circumference 66 cm
D = 21 cm
Find the perimeter of this shape.
P = 65.68 in