# carpentry 1- basic math concepts-part-B

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The flashcards below were created by user heeres on FreezingBlue Flashcards.

1. fractions get___ when multiplied.
smaller
2. multiply a fraction by a whole number. 2 converts to?
2/1
3. when multiplying fractions reduce equation to simplest terms before
solving
4. the reciprocal of 1/2 is?
2/1
5. when dividing fractions you have to change ÷to× and?
invert the last fraction
6. convert 3/8 to a decimal?
3÷8=0.375
7. convert 0.25 to a common fraction?
25/100 = 5/20 = 1/4
8. to convert mm to inches divide by?
25.4
9. to convert inches to mm multiply by?
25.4
10. to convert sq m to sq ft multiply by?
10.764
11. to convert sq ft to sq m divide by?
10.764
12. 3-4-5 rule is an example of?
pythagorean theorem
13. find the hypotenuse?
c²=a²+b²
14. find the height?
a²=c²-b²
15. find the base?
b²=c²-a²
16. pythagorean theorom equations only work on what type of triangle?
right angle, 90°
17. always remember to use √ when____equation
completing
18. 2.54 cm =
1 inch

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 Author: heeres ID: 265839 Filename: carpentry 1- basic math concepts-part-B Updated: 2014-03-10 22:17:12 Tags: math Folders: carpentry math Description: carpentry 1- basic math concepts-part-B Show Answers:

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