Question

Erin has a house. The length is 15 ft., the height is 12 ft. and the width is 7ft. what is the area?

Answer 1

738 ft²

Explanation:

House is a cuboid which has 6 faces and opposite faces are identical.

It will have a surface area (SA) of:

SA = 2[ (l×w) + (h×w) + (l×h) ]

= 2 [(15×7) + (12×7) + (15×12)]

= 738 ft²