A scale drawing of a classroom has a scale of 1 cm = 3 ft. On the scale drawing, the floor of the classroom measures 7 cm by 8 cm. The floor in the classroom is being replaced with square tiles that measure 9 in. on each side. How many tiles will be needed to replace the floor?

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Mathematics

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2 February, 09:54

A scale drawing of a classroom has a scale of 1 cm = 3 ft. On the scale drawing, the floor of the classroom measures 7 cm by 8 cm. The floor in the classroom is being replaced with square tiles that measure 9 in. on each side. How many tiles will be needed to replace the floor?

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Chelsea Henson · Answer 1

Scale Drawing

GRE Resources

Scale Drawing

Scale Drawing: the diagram of an object in which the dimensions are proportional to the original object.

Why are scale drawings important?

Careers that involve construction, architecture, city planning, design, and map-making all require knowledge of scale drawings. You also need to be able to use scale drawings when you are traveling (maps).

Using the Scale of a Map

Example

Use the map of Maine to estimate the distance between the towns of China and New Sweden.