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ratios and scales (Rate (A ratio that compares two quantities measured in…
ratios and scales
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equivalent ratio
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for example: 2:4 and 20:40 they are equivalent because you can either multiply or divide one to get the other.
Ratio
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their are 3 ways that you can sow a ratio which are: a to b , a:b, and a/b
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scale drawing
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a scale drawing is 8.5 in tall with a scale factor of 2 in 5 ft. how tall is the normal scale drawing? it is 4.25
scale factor
a ratio of a modle or drawings dimensions to the actual object's dimensions, simvplyfide
to find the scale factor you have to divide model height and the second drawing's height to find the answer.
complex fraction
to solve a complex fraction you need to divide both fractions or multiply them booth by the reseptical.
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