The perimeter of a field is 400 yards. The ratio of the length to the width is 5:3.
Find the area of the field.
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6.2 Using Proportions to Solve Geometry Problems
Properties of Proportions
1. reciprocals
2. exchange the means
3. adding the denominator
to its numerator.
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Examples)
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Now solve for a segment.
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To find a scale, write the ratio of a length on the drawing over the
actual length. Then rewrite the ratio, so the denominator is 1.
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