Rectangle ABCD has an area of
40 cm².
Side BC is equal to 5 cm.
Work out the value of x.
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Rectangle ABCD has an area of
40 cm².
Side BC is equal to 5 cm.
Work out the value of x.
Let's multiply side AB by side BC
We'll set up the data as follows:
Let's multiply 5 by each term in parentheses:
We'll move 20 to the right side and change its sign accordingly:
Now we get:
Let's divide both sides by 10:
2
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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