05­24­16 Surface Area of Pyramids.notebook
5-24-16
Aim: SWBAT find the surface area of pyramids.
Do Now: Correct hw
HW: Pg. 550 # 2, 4, 8, 9, 10
Final Review Packet due June 2nd
May 24, 2016
05­24­16 Surface Area of Pyramids.notebook
May 24, 2016
05­24­16 Surface Area of Pyramids.notebook
May 24, 2016
Pyramid: a 3-dimensional figure whose base is a polygon and whose
lateral faces are triangles that share a common vertex.
A pyramid has 1 base polygon and as many triangles as the
polygon base has sides.
• Square Pyramid: 1 square base and 4 triangular faces
• Rectangular Pyramid: 1 rectangular base and 4 triangular faces
• Triangular Pyramid: 1 triangular base and 3 triangular faces
• Pentagonal Pyramid: 1 pentagonal base and ___ triangular faces
• Octagonal Pyramid: 1 octagonal base and ___ triangular faces
05­24­16 Surface Area of Pyramids.notebook
Square Pyramid
12 cm
SA = B + ½Pl
10 cm
May 24, 2016
05­24­16 Surface Area of Pyramids.notebook
Square Pyramid
s = 15 yd
l = 10 yd
May 24, 2016
05­24­16 Surface Area of Pyramids.notebook
May 24, 2016
Rectangular Pyramid
8 cm
10 cm
6 cm
SA = B + ½Pl
05­24­16 Surface Area of Pyramids.notebook
Triangular Pyramid
12 cm
6 cm
6 cm
10 cm
SA = B + ½Pl
May 24, 2016