Ages 8–9🧮 Mathematics24 verified questions on this shelf

Area of compound shapes

Recognise area as additive; find areas of rectilinear figures by decomposing into non-overlapping rectangles and summing their areas

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Question 1 of 3

Rectangle A is 3 cm by 4 cm and rectangle B is 2 cm by 5 cm. The two rectangles are joined along a side so that they do not overlap, forming a compound shape. What is the total area of the compound shape?

Question 2 of 3

A compound shape is formed by joining a rectangle that is 6 cm long and 4 cm wide to a square that is 4 cm on each side, sharing the side that is 4 cm long. What is the total area of the compound shape in square centimeters?

Question 3 of 3

A shape is made by joining a rectangle that is 4 cm long and 6 cm wide to a square that has sides 3 cm long. What is the total area of the combined shape?

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