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The measures of the angles of a triangle are in the extended ratio 4 : 5 : 6. What is the measure of the smallest angle?

A. 48
B. 60
C. 72
D. 12

User Gem
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1 Answer

6 votes
4x +5x +6x = 180
15x = 180
x = 180/15
x = 12
So smallest angle = 4*12 = 48 degrees
User Blueseal
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