Question

Pls help & also give an easy explanation thank youuuuu

Answer 1

Given

A digital picture frame with a border of 3 cm. The actual length of the frame is x

Answer

a) The actual side of the picture is x-3

Area of picture

`=(side)^2=(x-3)^2`

b) Area of frame

`x^2`

c) Area of border = Area of frame - area of picture

`x^2-(x-3)^2`