Question

Mark the correct alternative in each of the following:
1. A circle of radius rcm has a diameter of length
(d) cm
(a) rcm
(d) none of these
(a) radius
(b) 2rcm
(c) 4rcm
2. A chord of a circle passing through its centre is equal to its
(b) diameter (c) circumference
3. The total number of diameters of a circle is
(b) 2
(c) 4
4. By joining any two points on a circle, we obtain its
(b) diameter (c) chord
(d) uncountable number
(a) 1
(d) circumference
(a) radius​

Answer 1

Answer: Here your answer

1) none of this

2) I think diameter

3) 4

4) diameter