Find the circumference of the circle. Use your calculator's value of pi. Round your answer to the nearest tenth.
12.6 cm
Find the length of the bolded arc. Use your calculator's value of pi. Round your answer to the nearest tenth.
44.5 cm
Find the area of the bolded sector. Use your calculator's value of pi. Round your answer to the nearest tenth.
265.1 mi²
Find the measure of central angle BAC. Assume that lines which appear to be diameters are actual diameters.
115°
Find the measure of the arc or angle indicated.
172°
Find the circumference of the circle. Use your calculator's value of pi. Round your answer to the nearest tenth.
18.8 cm
Find the length of the bolded arc. Use your calculator's value of pi. Round your answer to the nearest tenth.
23.6 yd
Find the area of the bolded sector. Use your calculator's value of pi. Round your answer to the nearest tenth.
461.8 yd²
Solve for x. Assume that lines which appear to be diameters are actual diameters.
x=9
Solve for x.
x = 3
Given that the area of a circle is 181.5 cm², find the circumference of the circle. Use your calculator's value of pi. Round your answer to the nearest tenth.
47.8 cm
If A is the area and C the circumference of a circle, which of the following is an expression for A in terms of C?
a. (C^2)/(4pi)
b. (C^2)/(4pi^2)
c. 2Csqrt(pi)
d. 2C^2sqrt(pi)
A
Find the measure of central angle JGH. Assume that lines which appear to be diameters are actual diameters.
108°
Solve for x.
x = 7
Point O is the center of both circles in the figure below. If the circumference of the large circle is 36 and the radius of the small circle is half of the radius of the large circle, what is the length of the bolded arc of the smaller circle?
4
If the area of the shaded region is kpi, what is the value of k?
k=28