How do you find the circumference of a circle? Show two different formulas.

Question

anonymous · Answer

2.Find the circumference of a circle with radius 8 inches.
3.How do you find the area of a circle?
4.Find the area of a circle with diameter 18 ft.
5.How do you find the arc length? Explain the two methods learned in this section.
6.Find the arc length of a sector that is 125° and has a radius of 20 in.
7.How do you find the area of a sector? Explain the two methods learned in this section.
8.Find the area of three-fifths of a circle with radius 15 ft.
9.What is the arc measure of an arc with length 4.189 cm and radius equal to 3 cm.
10.What is the arc measure of a sector with area 38.485 ft2 and radius 7?