Question

a) If the radius of a circle increases then the size of the circle _________.
1. increases
2. decreases
3. remains the same

b) A circle can have more than one centre. True or false ?
1. True
2. False

c)i) If radius of a circle is 20 cm , what is the diameter ?
1. 10 cm
2. 30 cm
3. 40 cm

ii) If radius of a circle is 60 cm , what is the diameter ?
1. 100
2. 120
3. 160​

Answer 1

Answer:

a) 1. increases

b) 2. false

c) i) 3. 40 cm

ii) 2) 120

Step-by-step explanation:

Answer 2

Answer:

a) Increase (The radius is directly proportional to size)

b) False (A circle has only one center)

c) 40 cm (Diameter = twice of radius)

d) 120 cm (Diameter = twice of radius)