ratios and proportions
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If , which other proportion must be true?
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If , which other proportion must be true?
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The measures of two complementary angles are in the ratio 2:3. What is the measure of the smaller angle?
18
36
54
60
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The measures of two supplementary angles are in the ratio 4:11. What is the measure of the larger angle?
12
48
132
115
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The extremes of a proportion are 4 and 14. Which of the following pairs could be the means of the proportion?
2 and 28
5 and 11
6 and 9
7 and 8
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