9.06 Perimeter and area

Interactive practice questions

The total area of this shape is $68$68 cm².

If the area of rectangle $A$A is $23$23 cm², what is the area of rectangle $B$B?

Easy

Approx a minute

The total area of this shape is $55$55 cm².

If the area of rectangle $B$B is $39$39 cm², what is the area of rectangle $A$A?

Answer the following:

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Solve problems involving the comparison of lengths and areas using appropriate units.