Question

ZAOB=60º. Also a 15 m wide concrete
track is made as shown in the figure.
Flower bed
000
Concrete track
Answer the following questions which are
based on the above figure.
(i) Find the radius of inner circle.
(a) 25 m
(b) 30 m
(e) 26 m
(d) 15 m
(ii) Write the formula to find the area of
sector
e
0
x 2tr (b)
360°
X TV​

Answer 1

Explanation:

Area of flower bed=

<br>

<br>

<br> Area of track=

<br>

<br>

<br> Cost=