A circle has a radius of 2.5 centimeters and a central angle AOB that measures 90°. What is the area of sector AOB? Use 3.14 for pi and round your answer to the nearest tenth.

A. 2.9 cm2
B. 3.9 cm2
C. 4.9 cm2
D. 19.6 cm2

Question

A circle has a radius of 2.5 centimeters and a central angle AOB that measures 90°. What is the area of sector AOB? Use 3.14 for pi and round your answer to the nearest tenth.

	A.	2.9 cm2
	B.	3.9 cm2
	C.	4.9 cm2
	D.	19.6 cm2

noahbred · Answer

is this for online schooling or regular schooling

dayakar · Answer

Do u know formula for area of a sector

dayakar · Answer

Radius (r)=2.5 cm
Angle(x)= 90
Area of the sector = $$\frac{ x }{ 360 }×\pi×r ^{2}$$

dayakar · Answer

Plug in x, r, values and get the area of the sector

anonymous · Answer

3.14  (2.5)^2  (1/4) = 4.9 cm^2