7. Measurement

The total area of this shape is $71$71 cm^{2}.

If the area of rectangle $A$`A` is $25$25 cm^{2}, what is the area of rectangle $B$`B`?

$A$A |
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$B$B |
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Easy

Approx a minute

The total area of this shape is $88$88 cm^{2}.

If the area of rectangle $B$`B` is $60$60 cm^{2}, what is the area of rectangle $A$`A`?

Find the area of the following rectangle.

Think about the shape shown below.

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selects and uses the appropriate unit to calculate areas, including areas of squares, rectangles and triangles