Question

Sam made a scale drawing of a boarding school. He used the scale 1mm:5m. In the drawing, a building at the school is 25mm long and 30mm wide. What is the length and width of the actual building?

a. Length: 125m, Width: 150m
b. Length: 5m, Width: 6m
c. Length: 30m, Width: 25m
d. Length: 150m, Width: 125m

Answer 1

To find the actual length and width of the building in the scale drawing, multiply the dimensions of the drawing by the scale factor.

Step-by-step explanation:

To determine the length and width of the actual building, we need to use the scale drawing. The scale between the drawing and the actual building is 1mm:5m. In the drawing, the length of the building is 25mm and the width is 30mm. To find the actual length and width, we can multiply the dimensions of the drawing by the scale factor.

Length: 25mm * 5m = 125m

Width: 30mm * 5m = 150m

Therefore, the correct answer is option a. Length: 125m, Width: 150m.