Below is the rectangle ABCD.
It has an area of 42 cm² and side AD is equal to 12 cm.
What is the length of side DC?
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Below is the rectangle ABCD.
It has an area of 42 cm² and side AD is equal to 12 cm.
What is the length of side DC?
Remember that to calculate the area of the rectangle, we multiply the length by the width.
Therefore:
Divide both sides by 12:
3.5
Look at the rectangle ABCD below.
Side AB is 6 cm long and side BC is 4 cm long.
What is the area of the rectangle?
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