Question

Area of sector AOB is ___ cm if r=4 cm and angle is 45°?
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Answer 1

A = θ/360° πr^2

A = 45°/360° π (4)^2

A = 15/120° π16

A = π16/80

A = π/4

π/4 is the area of sector.

Answer 2

Answer:

radius= 4cm, theta=45°

area of sector= theta/360°*πr²

Step-by-step explanation:

area of sector AOB= 45°/360°*22/7*4*4=44/4 cm