Question

19. Calculate the length of the boundary and the area of the shaded region in the
following diagrams. All measurements are in centimetres.
(i) Unshaded part is a semicircle
(ii) Four semicircles on a square.
10
28
7​

Answer 1

Answer:

where is diagram first tell :::::::::::::::::::::::::: :::: ::. :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::