Real area from a scale plan
Find the real length of each side first, then multiply to get the area.
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A plan of a room is 4 cm by 6 cm. The scale is 1 cm : 2 m. What is the real area of the room in m²?
Answer: 96
A plan of a room is 3 cm by 8 cm. The scale is 1 cm : 2 m. What is the real area of the room in m²?
Answer: 96
A plan of a room is 4 cm by 12 cm. The scale is 1 cm : 2 m. What is the real area of the room in m²?
Answer: 192
Tip: Find the real length of each side first, then multiply to get the area.
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- Next in this topic How area changes when a figure is scaled Grade 7
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