Question

a sweet in the shape of rhombus whose diagnosis are 4cm and 5cm .the surface of sweet to be covered by the aluminium foil. find the cost of aluminium foil used for 400 such sweet at the rate of 7 per 100sq.m​

Answer 1

Answer:

Area of Rhombus=1/2 xdid2

= 1/2 x 4x5=locm2

Cost of aluminium foil used=

10x400xRs 7 / 100 = Rs280