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23-02-2017
Mathematics

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Li made a scale drawing of a room.The scale used was 5cm=1m.The scale drawing is the preimage and the room is the dilated image. What is the scale in terms of cm to centimeters? What is the algebraic rule to describe the dilation from the scale drawing of the room? The scale drawing measures 15 centimeters by 20 centimeters.what are the dimensions of the room?

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rinadreams rinadreams

23-02-2017

by scale 5cm= 1 m
so 1cm = 0.20m

15 x 0.20= 3m
20 x 0.20=4m

dimensions are approx 3m x 4m

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