Q: Who d i Renaming and comparing ratios?

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proportion

You can use ratios of adjacent sides to prove if two rectangles are similar by comparing to see if the ratios are the same

give the meaning and answer of kinds of fraction percent ratio proportion decimals inverse comparing ratios converting rartios rate

4 to 10,2 to

Two ratios a:b and c:d are equivalent when a*d = b*c. (Usually you can say when a/b=c/d except when b or d is 0.)

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proportion

cross product.

You can use ratios of adjacent sides to prove if two rectangles are similar by comparing to see if the ratios are the same

give the meaning and answer of kinds of fraction percent ratio proportion decimals inverse comparing ratios converting rartios rate

4 to 10,2 to

The ratios a/b and c/d [ or a:b and c:d ] are equal if (and only if) a*d = b*c

Two ratios a:b and c:d are equivalent when a*d = b*c. (Usually you can say when a/b=c/d except when b or d is 0.)

Multiply the antecedent of each ratio by the consequent of the other. If the products are equal, the ratios are equivalent.For example, given the two ratios A:B and C:D, if the product of A and D equals the product of B and C, then A:B::C:D (A is to B as C is to D).Two ratios a:b and c:d are equivalent if the crossproducts are the same.That is a/b = c/d if and only if a*d = b*c.

if a/b=c/d then a+b/c+d = a/b=c/d

The ratios a/b and c/d form a proportion is if their simplified forms are the same, or equivalently, if a*d = b*c

Cross-multiply them. Given A/B and C/D, if AD = BC then the two ratios are equal.

Two ratios, a/b and c/d have the same value is a*d = b*c. A ratio, a/b, is said to be simplified if a and b are co-prime.