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A)calculate the area of the circle,centre 0 B)calculate the area of the minor sector AOBC C)calculate the area of triangle AOB D)Determine the area of segment ABC

A)calculate the area of the circle,centre 0
B)calculate the area of the minor sector AOBC
C)calculate the area of triangle AOB
D)Determine the area of segment ABC

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Grade:10

2 Answers

Debarati
105 Points
one year ago
1)Radius= 3.5 cm (Given in the figure) 
Area of the circle= \pir2= (22/7)*3.52= 38.5 cm2

I hope you undestood.
Debarati
105 Points
one year ago
2) Radius, r= 3.5 cm
Central angle, \Theta= 120o
Area of the minor sector AOBC= \pir2(\Theta/360)= (22/7)*3.52*(120/360)= 12.84 cm2 (approx)

I hope you understood.

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