Q.1 Solve any five of the following
1. If the circumference of a circle is 176 cm, find its radius.
2. The radius of a circular garden is 56 m. What would it cost to put a 4-round fence around this garden at a rate of 40 rupees per metre ?
3. The radius (r) = 7 cm
Find
Diameter (d) = ?
circumference(c) = ?
4. Choose the correct option.
If arc AXB and arc AYB are corresponding arcs and m(arc AXB) = 120° then
m(arc AYB) = __________
(i) 140° (ii) 60° (iii) 240° (iv) 160°
5. The wheel of a bullock cart has a diameter of 1.4 m. How many rotations will the wheel complete as the cart travels 1.1 km ?
6. The radius of a circle is 35 cm.
Find its circumference.