Question

a photograph of side 35 cm buy 22 centimetre is mountant into a frame of external dimension 45 centimetre by 30 cm find the area of border sarong in the photograph​

Answer 1

Answer:

580 cm²

Step-by-step explanation:

Area of border = Area of frame  - Area of photograph

Area of rectangle = Length x Breadth

Area of frame = 45 x 30 = 1350 cm²

Area of photograph = 35 x 22 = 770 cm²

Area of border = 1350 - 770

= 580 cm²

Therefore the area of the border surrounding the photograph is 580 cm²

Answer 2

Answer:

area of the border surrounding the photograph

=area of the frame-area of the photograph

=(45×30-35×22) sq

=(1350-770)sq cm

=580sq cm