Composite Shapes
See image 1
Find the area
1106.1 cm squared
What is the circumference of a circle if:
the radius = 7 yds?
43.96 yds
What is the circumference of a circle if:
the Diameter = 4 in
12.56 or 4π in
What is the area of a circle if:
the Radius = 6 in
113.04 in2
What is the inverse operation to subtraction?
Addition
Image 2 Find the area of the shaded region.
169.74 cm squared
What is the circumference of a circle if:
the radius = 9 yds?
Leave in terms of pi
18π yds
What is the circumference of a circle if:
the Diameter = 10 in
31.40 or 10π in
What is the area of a circle if:
the Radius = 3 ft Leave in terms of pi
9π
What is 72?
49
image 3
628 in squared
What is the circumference of a circle if:
the radius = 8.4 yds?
Round to nearest 100th if needed.
52.75 yds
What is the area of a circle if:
the Radius = 14 in
615.44 or 196π in2
What is the area of a circle if:
the Diameter = 18 feet?
254.34 ft2
What 2 formulas are used to find the circumference of a circle?
C = pi x diameter
C = 2 x pi x radius
Image 4 Find the perimeter
107.94 m
What is the circumference of a circle if:
the radius = 7.4 yds?
Leave in terms of pi.
14.8π yds
What is the Area of a circle if:
the Diameter = 14 in
153.86 or 49π in2
What is the area of a semicircle if:
the diameter = 8 in
25.12 in2
In a right triangle m<a= 52. What is the measure of the third angle?
38 degrees
Image 5
Find the length of the wire.
200.96 cm
The circular fountain in front of the courthouse has a radius of 9.4 feet. What is the circumference of the fountain? Round to the nearest tenth.
59 ft
What is the circumference AND area of a circle if:
the Diameter = 10 in.
Circumference: 10pi or 31.4 in
Area: 25pi or 78.5 in2
What is the area of a quarter circle if:
the radius = 4.3 yd
Round to the nearest tenths
14.5 yd2
No calculator. Solve
6/5 + 10.35=
11.55