Question

Calculate:
(i) the area of the field.
(ii)the length of the boundary of the field.​

Answer 1

the guality of two ratios is called proportion

if a:b=c:d

write a:b:c:d

in that a.b.c.d.hear d ard called extreme while b and c are called mean terms this a:b:c:d-(a×c)=(a×d)