Pyramids

1
Pyramids
2
Surface Area

• Step 1 Find the area of the base of the
  pyramid.
• Step 2 Find the area of the 4 congruent
  triangles. (use the slant height)
• Step 3 Add them up.

3
Surface Area of Rectangular Pyramid
10 cm
5 cm
5 cm
4
Surface Area of Rectangular Pyramid
15 cm
8 cm
8 cm
5
Surface Area of Rectangular Pyramid
7 cm
3 cm
3 cm
6
Volume

• Step 1 Find the area of the base of the
  pyramid.
• Step 2 Multiply by the height of the pyramid.
  (Dont use the slant height)
• Step 3 Multiply by 1/3.

V 1/3Bh
7
Volume of Rectangular Pyramid
12 cm
15 cm
9 cm
9 cm
8
Volume of Rectangular Pyramid
17 cm
25 cm
12 cm
12 cm
9
Volume of Rectangular Pyramid
12 cm
9 cm
4 cm
4 cm