Work out the perimeter of this shape.

72.6 cm

Step-by-step explanation:

Data: the length of the sides we know=13 cm, 16 cm 7.3 cm, 5.7 cm, 6.2 cm

The length of the side in the middle=x

The perimeter of the shape=x

Step one, Find the length of the missing side by adding then subtracting

5.7+6.2=11.9

16-11.9=4.1

x=4.1 cm

Reason: If you want to find the missing side, we know that the entire side down there is 16 cm so we just add 5.7 to 6.2 to get 11.9 and the amount of cm left after subtracting 11.9 from 16 will be the length(l) of the missing side.

Step two, add up all the sides

13+13+16+7.3+7.3+4.1+5.7+6.2=72.6

Reason: To find the perimiter of a shape, you add up all the sides and since we have all of the sides(some sides appear twice) we can just add them all together for the answer.

Also, don't forget the 'cm' in the answer

x=72.6 cm

I hope this helps!

a triangular prism is a 3 dimensional shape composed of triangles and rectangles. it is made from two triangular bases and three rectangular sides.