Friday, May 24, 2013

Unit 1: Day 4


Unit 1: Day 4

Daily Objective: Surface area of a prism, pyramid, cylinder, cone, sphere.

Definition: 
1. Area of a prism: Area of 2 bases + area of sides
2. Area of a pyramid: Area of base + area of the triangular sides
3. Area of cylinder: Area of 2 circular bases + 3.14 x D x H
4. Area of a cone: Area of circular base + 3.14 x R x slant height 
5. Area of a sphere: 4 x 3.14 x R squared

Pictures/Examples: 

For a Pyramid: 

For a Prism: 


For a Cone: 

For a Cylinder: 

And for a sphere: 


3 question quiz:

#1. What's the area of a cone with a diameter of 5 and the slanted height is 10?

#2. What's the area of a prism with a base length of 10 and a height of 4?

#3. What's the are of a cylinder with a diameter of 6 and a height of 12?

Answer Key:

#1.

#2.

#3.

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