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the perimeter of a rectangle is 40m. one of the lengths or the sides is 5m. find the lengths of the other 3 sides.​

Sagot :

The perimeter of a rectangle is 40m and one side of it is 5m. What is the length of the other side using an equation?

Perimeter of the rectangle =2(l+ b)=40m

If one of its side b=5, then l = (40/2)-5

= 20–5

= 15 m Therefore

Length= 15 cm

Breadth =5 cm

Answer:

perimeter means the total distance of all sides of a shape. Rectangle has 2pairs of 2 sides with the same length. If one is 5 the other pair would be 5. So 40-5-5 would be the total of the second pair , 30. 30/2=15. So there's 2 sides with 5m each, and another 2 sides with 15m each