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Surface Area of prism and pyramid.notebook
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Transcript of Surface Area of prism and pyramid.notebook
Surface Area of prism and pyramid.notebook
Task 1: Ratio and Proportional relationship Review check list
Surface Area of Prisms
Surface Area of Pyramids
Surface Area of prism and pyramid.notebook
Surface Area of Prisms
Return toTable ofContents
Surface Area
The sum of the areas of all outside surfaces of a 3D figure.
To find surface area, you must find the area of each surface of the figure then add them together.
6 in
3 in8 in
What type of figure is pictured?
How many surfaces are there?
How do you find the area of each surface?
Surface Area of prism and pyramid.notebook
Surface Area
6 in
3 in8 in
Bottom Top Left Right Front Back SUM 8 8 6 6 8 8 x 3 x 3 x 3 x 3 x 6 x 6 24 24 18 18 48 48 = 180 in2
18 48+48180 in2
3 in8 in
6 in
8 in
6 in
3 in
6 in
3 in8 in
Find the surface area of a rectangular shoe box that has a length of 12 inches, a width of 6 inches and a height of 5 inches.
Top/Bottom Front/Back Left/Right Surface Area 12 12 6 144 x 6 x 5 x 5 120 72 60 30 + 60 x 2 x 2 x 2 324 in2 144 120 60
5 in
6 in
12 in
click to reveal click to reveal click to reveal click to reveal
Surface Area of prism and pyramid.notebook
1 What is the area of the top or bottom face?
2 m4 m
6 m
Pull
Pull
(2)(4)8 m2
2 What is the area of the left or right face?
2 m4 m
6 m
Pull
Pull
(2)(6)12 m2
Surface Area of prism and pyramid.notebook
3 What is the area of the front or back face?
2 m4 m
6 m
Pull
Pull
(6)(4)24 m2
4 What is the surface area of the figure?
2 m4 m
6 m
Pull
Pull
2(8)+2(12)+2(24)88 m2
Surface Area of prism and pyramid.notebook
Find the Surface Area.1. Draw and label ALL faces2. Find the correct dimensions for each face3. Calculate the AREA of EACH face4. Find the SUM of ALL faces5. Label Answer
5 yd
6 yd
4 yd
9 yd
5 yd
go on to see steps
Triangles Bottom Rectangle 4 9x 6 x 6 24 / 2 = 12 54 x 2 24 Total
SurfaceArea 24 54+ 90168 yd2
5 yd
6 yd
4 yd9 yd
5 yd
9 yd
5 yd
5 yd
6 yd
4 yd
Left/Right Rectangles(Same size since isosceles)
5 x 9 45 x 2 90
9 yd
5 yd
5 yd
6 yd
4 yd
Surface Area of prism and pyramid.notebook
Find the Surface Area.1. Draw and label ALL faces2. Find the correct dimensions for each face3. Calculate the AREA of EACH face4. Find the SUM of ALL faces5. Label Answer
9 cm
6 cm 11 cm
9 cm
9 cm
TRY THIS ONE
Triangles Rectangles
9 cm
6 cm 11 cm
9 cm
9 cm
9 cm
6 cm 11 cm
9 cm
9 cm
Click on box to reveal steps.
Pull
Pull 351 cm2
Surface Area of prism and pyramid.notebook
5 Find the surface area of the shape below.
21 ft
42 ft
50 ft
47 ft
1. Draw and label ALL faces2. Find the correct dimensions for each face3. Calculate the AREA of EACH face4. Find the SUM of ALL faces5. Label Answer P
ullPull
6382 ft2
6 Find the surface area of the shape below.
8 cm 6 cm
10 cm
9 cm
Pull
Pull
Surface Area of prism and pyramid.notebook
Surface Area of Pyramids
Return toTable ofContents
Surface Area of Pyramids
What is a pyramid?
Polyhedron with one base and triangular faces that meet at a vertex
How do you find Surface Area?
Sum of the areas of all the surfaces of a 3D Figure
Surface Area of prism and pyramid.notebook
8 cm
7 cm
17.5 cm
Find the Surface Area.
go on to see steps
Find the Surface Area.
8 cm
7 cm
17.5 cm
8 cm
17.5 cm
7 cm
17.5 cm
7 cm
Bottom Rectangle 8 x 7 56
Front/Back Triangles
Left/RightTriangles
Surface Area 56 140+ 122.5 318.5 cm2
8 cm
Surface Area of prism and pyramid.notebook
Find the surface area of a square pyramid with base edge of 4 inches and triangle height of 3 inches.
4 in
3 inBase 4x 4 16
4 Triangles Surface Area 16+ 24 40 in2
Find the surface area.
Be sure to look at the base to see if it is an equilateral or isosceles triangle (making all or two of the side triangles equivalent!).
Base Triangles(all equal)
Surface Area 7+ 36 43 in2
4 in4 in
4 in
6 in
3.5 in