Question

Question
Two circles have radius 24 cm and 16 cm and they have a common centre. Do they represent concentric circles​

Answer 1

Step-by-step explanation:

ANSWER

C is the mid-point of AB so that AC=12

AO

1

=37 and AO

2

=20 .....(Radii of circles)

Using Pythagoras theorem, we get

CO

1

=

37

2

−12

2

=35

CO

2

=

20

2

−12

2

=16

∴O

1

O

2

=35+16=51

Answer 2

radius 24 cm

is 12and 8 ok