Problem 32 of 34geo-032
The front of a tent is a triangle that is feet wide along the ground and feet tall at its peak. Each slanted edge is feet long. What is the area of the front of the tent, in square feet?
Try it first
The walkthrough opens once you check an answer.
Solution walkthrough1:36
- Area of a triangle base height. The height must meet the base at a right angle.
- Base: ft along the ground. Height: ft straight up to the peak. The ft edges are slanted, so leave them out.
- Why ? A by rectangle around the triangle has area . The triangle fills exactly half of it.
- So the area is square feet.
- Traps: and use the slanted in place of the height or the base. forgets the .