Question

3 semicircles r joined to get the pattern as shown in the figure O. P. Q r the centers of the semicircles find the area of shaded region if the diameter of the largest semicircle is 28cm

Answer 1

Sorry I'm just here for help too ( with a similar question )  :((

Answer 2

Answer:

Step-by-step explanation:The diameter of the larger Hemi sphere=28

~ the radius will be 14 cm

The radius of smaller Hemi circle=7

The area of shaded =area ofL +areaof

Region. HC. S HC

=1/2 πr^ + 2(1/2 πr^)

= 1/2×22/7 + 14^ +2(1/2× 22/7× 7^

=22×14+22×7

=308+154

=462cm^