A sector of a circle has a central angle of 45 . Find the area of the sector if the radius of the circle is 15 cm.
1 answer:
Answer:
A = 28.125 * pi cm^2
A = 88.357 cm^2
Step-by-step explanation:
Area of a sector is 1/2 r^2 theta where theta is in radians
convert 45 degrees to radians
theta = 45 * pi/180 = pi/4
A = 1/2 * 15^2 * pi/4
A =1/2 * 225 * pi/4
A = 28.125 * pi cm^2
A = 88.357 cm^2
You might be interested in
11.5% × 350 =
(11.5 ÷ 100) × 350 =
(11.5 × 350) ÷ 100 =
4,025 ÷ 100 =
40.25
It seems to be none of the above
Answer:
both A and E
Step-by-step explanation:
because most of 70% of the water is sea salt and clean water comes from frozen underground.
Hzhsususuhhhdhdhhddhdhhdjxxj
Answer:
10= 1 , 2 , 5 and 10
Step-by-step explanation:
Those are the factors of 10
