Area of sector AOB is ___ cm if r=4 cm and angle is 45°?
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Answered by
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.
Answered by
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
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