Question

For two concentric circles of radius 25 cms and 7cms the cord of the larger circle
Pls tell me fast ​

Answer 1

48

Step-by-step explanation:

REF.Image

AB=?

In ΔOAC-

OA2 =α 2+AC 2

25 2=7 2+AC 2

AC 2 =625−49=576

AC=24

Similarly

In ΔOCB-

OB 2=OC 2+BC 2

25 2=7 2 +BC 2

BC 2=625−49

BC=24

AB=AC+CB

AB=48cm