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10.11 Other problems with area

Interactive practice questions

We can work out the area of a shape by first splitting it into smaller shapes and then finding the sum of the smaller shape's areas.

  • Rectangle 1 has a length of $8$8 cm and width of $4$4 cm.
  • Rectangle 2 has a length of $8$8 cm and width of $7$7 cm.
a

What is the area of Rectangle 1?

b

What is the area of Rectangle 2?

c

What is the area of the rectangle formed by joining these two rectangles side by side?

Easy
3min

The total area of this shape is $75$75 cm2.

If the area of rectangle $A$A is $27$27 cm2, what is the area of rectangle $B$B?

Easy
1min

The total area of this shape is $74$74 cm2.

If the area of rectangle $B$B is $46$46 cm2, what is the area of rectangle $A$A?

Easy
1min

A flowerbed can be separated into two parts, $A$A and $B$B.

Easy
4min
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Outcomes

MA.3.GR.2.4

Solve mathematical and real-world problems involving the perimeter and area of composite figures composed of non-overlapping rectangles with whole-number side lengths.

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