The perimeter of a rectangle is 86cm. Its shortest side has a length of 15cm.
State the length of the longest side

The length of the longest side is 28cm

Step-by-step explanation:

Rectangles have two pairs of equal sides, this means that if one of the sides is 15cm, there will be another side with 15cm.  So to solve the problem we should first add the length of both sides we have, which are 15cm and 15cm, and will equal 30cm. Then we subtract 30cm from the 86cm so we know what the length of the last two sides is equal to when added together, that will be 56cm. Remember, we know that these last two sides have equal lengths. This means all we have to do is divide 56cm by 2 which will equal 28cm. This means that the length of one of the longest sides is 28cm.

Hope this helped!

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what relationship between ideas is shown in the text above?

question 1 options:

location of events

similarity of events

timing of events

examples of an idea

step-by-step explanation: