What is the equation (s) for the circumference of a circle?
C=2πr or C=πd
What is the equation for the area of a circle?
A=πr^2
What is the equation for the area of a semicircle?
Area = pi*r^2/2
What's the equation for the area of a quadrant of a circle?
Area = pi*r^2/4
Area = pi*r*r/4
a Composite shape is.....
1 shape made up of multiple shapes
Find the Circumference of a Circle. Use 22/7 for pi
Find the area of the circle. Use 22/7 for pi
3850 m^2
What is the equation for the perimeter of a semicircle?
P = pi*d/2 + diameter or P = 2*pi*r/2 + diameter
Find the area of the quadrant. use 3.14 for pi and round to the hundredths place.
38.47 in^2
Find the area of the composite shape.
80 cm^2
Find the Circumference of a Circle. Use 3.14 for pi and Round to the tenth place
25.12 ft
Find the area of the circle. Use 3.14 for pi
1384.74 in^2
Find the area of the semicircle. Use 3.14 for pi
25.12 in^2
Find the distance around the quadrant. Use 22/7 for pi.
25 in
Find the area of the composite shape. Use 3.14 for pi and round to the hundreths.
150.96 cm^2
Find the Circumference of a Circle where the radius = 9.5 in Round to the tenths place.
59.7 in
Find the area of a circle with the radius 13.2 km Round to the tenth.
approximately 547.1km^2
Find the perimeter of the semicircle. Use 3.14 for pi
46.26 in
What is the area of each quadrant shown here? Use 3.14 and round to the hundredths place.
0.20 ft^2
Find the area of the composite shape.
Area = 13.625 ft²
Find the radius of the circle given the circumference of 62.8 mi
10 mi
Find the diameter of the circle given the area of 78.5 ft²
10 ft
If the area of a semicircle = 14.13 in^2 what is the diameter?
6
Find the area of a quadrant with a radius of 12 cm. Use 3.14 and round to the hundreths.
113.05 cm^2
Find the area of the shaded shape.
37.86 ft^2