mary001 mary001

01-02-2017
Mathematics

contestada

the angle of a triangle ABC are in the ratio of 8:3:4. what is the measure of the smallest angle?

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MICHAIGIVESPOINTS MICHAIGIVESPOINTS

01-02-2017

The answer should be 3

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Binski12 Binski12

01-02-2017

well, triangle interior angles = 180 degrees ALWAYS

so we need 180 to basically be in a ratio of 8:3:4

8+3+4 = 15, so the ratio has 15 'parts'

180 / 15 = 12

every 'part' is equal to 12 degrees

so 8:3:4, 3 is the smallest 'part'

3 x 12 = 36 degrees

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