# Praxis II Math Formulas

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1. Area of a Circle?
2. Circle Circumference?
or
3. Triangle Area?
4. Triangle Perimeter
Triangle Perimeter = the sum of all sides
5. What do the interior angles of a triangle ALWAYS add up to?
180°
6. Discribe a irregular triangle?
• Sides: Not the same
• Angles: Not the same

7. escribe a isosceles triangle?
• Sides: Two sides the same
• Angles: Two sides the same
8. Equilateral Triangle
• Sides: Same
• Angles: Same
9. What is the pythagorean theorem?
10. Rectangle area?
Rectangle Area = L * H
11. Rectangle Perimeter?
Rectangle Perimeter = 2L + 2W
12. What will the interior angles of a rectangle add up to?
360°
13. Parallelogram Area?
• Parallelogram Area = b * h
14. Perimeter Parallelogram?
Perimeter Parallelogram = 2L +2W
15. Trapezoid Area?
16. Volume of a Cone?

17. Cone Area?

18. Sphere area?
19. Sphere Volume?

20. Probability is?
Probability = #of ways / Total possible outcomes
21. What is the formula for a arithmetic sequence?
an = a1 + (n – 1)d
 Author: bsant ID: 250881 Card Set: Praxis II Math Formulas Updated: 2014-01-15 04:48:43 Tags: praxis math Folders: Description: These are the common math formulas for the praxis II elementary multiple skills test. Show Answers: