Question

19. Calculate the ler
following diagram
ote the length of the boundary and the area of the shaded region in tl
no diagrams. All measurements are in centimetres.
(ii) Four semicircles on square ​

Answer 1

Answer:

Third line will be

=(28) ^2+4× 1/2 ×(7)2

=784+308

=1092 sq.cm .

Mark as brain list!!!