Question

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 centimeters 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?

Answer 1

Scale in terms of cm to m= 1/5
In every meter there are 5 cm

Considering this, if the dimensions are 15cm and 20cm, you would need to multiply them by 5 to convert them to meters

15*5= 75 20* 5=100

Dimensions- 75ft by 100ft