Question

a photograph of side 35 cm and 22 cm is mounted on a frame of external dimension 45 m by 30 M find the area of the border surrounding the photograph

Answer 1

Area of border will be area of frame - area of photograph,
= 45×30 - (35×22)/10000
= 1350 - 770/10000
= 1350-0.077
= 1349.923m^2 or
13499230 cm^2.
Regards