1. Decompose a square pyramid with base equal to 6 in. and height equal to 4 in. into four triangles and a square. What is the total surface area of the pyramid?
Responses:
51 in.²
36 in.²
60 in.²
96 in.²
2. What is the total surface area of a pyramid with height equal to 12 ft. and base equal to 10 ft.?
Responses:
360 ft.²
2,160 ft.²
100 ft.²
260 ft.²
4. What is the slant height in a rectangular or square pyramid?
Responses:
an edge of a triangular face an edge of a triangular face the height from the apex straight down to the base of the triangular face where it forms a right angle
the height of the pyramid from the apex straight down to the middle of the base of the pyramid
the distance across the triangular face
5. A factory makes nylon tea bags. the bags are in the shape of a triangular pyramid. how much nylon is needed to make 50 tea bags given the following dimensions?
- base of the equilateral triangles: 40 mm
- height of the base triangle: 35 mm
- slant height of the equilateral triangular faces: 45 mm
esponses:
3,062.5 mm²
153,125 mm²
3,400 mm²
170,000 mm²
1. 51 in.²
2. 360 ft.²
4. the height from the apex straight down to the base of the triangular face where it forms a right angle
5. 3,062.5 mm²