The rectangle ABCD is divided into the rectangle KBCM and the square AKMD.
The ratio between the rectangle and the square is 2:1.
The area of square AKMD is 16 cm².
Calculate the area of rectangle KBCM.
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The rectangle ABCD is divided into the rectangle KBCM and the square AKMD.
The ratio between the rectangle and the square is 2:1.
The area of square AKMD is 16 cm².
Calculate the area of rectangle KBCM.
First we will divide the area of KBCM by the area of AKMD.
We know that their ratio is 2:1, therefore:
We also know the area of AKMD, so we'll substitute it into the formula to obtain the following:
Finally, we multiply by 18:
32
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?
Diagrams are often illustrative examples that may show different values than the actual problem. Always use the numbers given in the problem text, not the diagram!
A 2:1 ratio means the rectangle area is 2 times the square area. So if the square area is 16 cm², the rectangle area = 2 × 16 = 32 cm².
Not for this problem! You can work directly with areas. The ratio tells you: rectangle area = 2 × square area = 2 × 16 = 32 cm²
You might have misread the ratio or used wrong values. Check: ratio 2:1 means rectangle = 2 × 16 = 32, not 3 × 16 = 48.
Check the ratio: ✓ The rectangle area divided by square area should equal 2.
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