Question

please remember to submit your workbook. room 1 room 2 7.5ft 30ft © 2019 strongmind. created using geogebra. what is the scale factor between the rooms? 7.5 4 22.5 30

Explanation:

Step1: Recall scale - factor formula

The scale factor from Room 1 to Room 2 is found by dividing the corresponding side - length of Room 2 by the corresponding side - length of Room 1.

Step2: Identify side - lengths

The side - length of Room 1 is 7.5 ft and the side - length of Room 2 is 30 ft.

Step3: Calculate scale factor

The scale factor $k=\frac{30}{7.5}=4$.

Answer:

B. 4