Question

Shape a and shape b are each made from four identical sqaures the perimeter of shape a is 56 cm work out shape b

Answer 1

44.8 cm

Explanation:

Given

See attachment for shapes

`P_A= 56cm`

Required

The perimeter of B

Let the length of a side of the square that makes up A be, l.

So, we have:

`P_A = 10 * l` --- because A is formed by 10 sides of l

`56 = 10 * l`

`l =(56)/(10)`

`l =5.6`

The perimeter of B is:

`p_B = 8*l` --- because B is formed by 8 sides of l

`p_B = 8*5.6`

`p_B = 44.8`