Question

a photograph of side 35 cm by 22 cm is mounted on to a frame of external dimensions 45 CM by 30 cm find the area of the border surrounded the photograph

Answer 1

hope this will help you

Answer 2

Length of the frame=45 cm

Breadth of the frame= 30 cm²

Area of the frame = 45×30 cm

                                = 1350 cm²

Length of the photo = 35 cm

Breadth of the photo= 22cm

Area of the photograph = 35×22cm²

                                       = 770cm²

Area of the border portion

= 1350cm²-770cm²

= 580 cm²