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# Formulas for Unit 10

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Surface Area, Area, and Volume

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### Formulas for Unit 10

1. 1. FORMULAS for finding Area, Surface Area, & Volume
2. 2. Formulas for finding AREA * Square * Rectangle * Triangle * Trapezoid
3. 3. Finding the Area of a Square S (Side) = 6 S (Side) = 6 Remember, a square is the same size on all 4 sides Formula – A = S 2 or A=(b)(h) A = Area S 2 = Sides squared b = base h = height base height
4. 4. Finding the Area of a Rectangle <ul><li>A = (b)(h) </li></ul><ul><li>b = base h = height </li></ul>Rectangle b = 8 h = 3
5. 5. Finding the Area of a Triangle a = ½ (b)(h) b = base, h = height b = 6 h = 9
6. 6. Finding the Area of a Trapezoid a = ½(h) (b 1 + b 2 ) h = height b = base Trapezoid b 1 b 2 h
7. 7. Formulas for finding Surface Area * Prism * Cylinder * Pyramid * Cone
8. 8. Finding Surface Area of a Prism SA = Ph + 2B P = Perimeter, h = Height, B = Area of the Base h p
9. 9. Finding Surface Area of a Cylinder SA = 2  rh + 2  r 2   Pi =  r 2 = radius squared (or radius X radius) h = 6 r = 2
10. 10. Finding Surface Area of a Pyramid SA = 1/2 P l + B P = Perimeter, l = Slant Height, B = Area of Base l P
11. 11. Finding Surface Area of a Cone SA =  r l +  r 2   Pi =  r = radius l = Slant Height r
12. 12. Formulas for finding Volume <ul><li>* Prism </li></ul><ul><li> * Cylinder </li></ul><ul><li>* Pyramid </li></ul><ul><li>* Cone </li></ul>
13. 13. Finding the Volume of a Prism V = Bh B = Base area, h = height h = 10
14. 14. Finding the Volume of a Cylinder V =  r 2 h   Pi =  r = radius h = height h=6 r=2
15. 15. Finding the Volume of a Pyramid V = 1/3Bh B = Base area, h = height B = 5 h = 9
16. 16. Finding the Volume of a Cone V = 1/3  r 2 h   Pi =  r 2 = radius squared h = height r h
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