Question

1. Irvin made a scale drawing of the fence he is building. He used a scale of 1 cm = 5 feet. 7.5 cm 4.5 cm 4.5 cm 9.5 cm What is the perimeter of the actual fence Irvin is building? A 108 feet B. 130 feet C. 169 feet D. 191 feet 2. The scale on a set of blueprints of a house is 1 in. = 3 ft. On the

Answer 1

1.

The scale perimeter of the trapezoidal fence is the sum of all 4 sides (in cm):

7.5 cm + 4.5 cm + 4.5 cm + 9.5 cm = 26 cm

We know 1 cm = 5 feet, hence

26 cm * 5 = 130 feet

Perimeter: Answer Choice B, 130 feet