Question

Concrete
(Section - A)
Q.1 Case study -
In a given figure, AOB is a flower bed in a shape of
a circle of radius 25 m and ZAOB = 60° also a 10 m wide
concrete track is made as shown in the figure, flower
bed is made at the rate of 33/m2 and concrete track
is made up of rate 325/m2
1. Find the area of sector AOB.
(a) 326.5 m2
(b) 327.90 m2
(C) 327.38 m2
(d) 325.56 m2
2. Find the area of concrete track.
(a) 1047.61m2
(b) 1740.4 m2
(C) 1407.16 m2
(d) 1774.16m
3. Find the circumference of the circle having radius 25m.
(b) 158 m
(b) 157.14 m
(C) 156.21 m
(d) 155.28 m
The amount spent for making the flower bed is:
(a) 3 982.14m
(b) ₹928.14
(C) 3924.18 m2
(d) ₹948.12​

Answer 1

Answer:

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Step-by-step explanation:

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