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A triangles angle measures are in the ratio 3: 4: 7. Find the measures of the angles

 Jul 16, 2020
 #1
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Let x be a unit. Then we form an equation for the sum of the triangle's angles:

 

3x+4x+7x=180

18x=180

x=10

 

Then 3x=30, 4x=40, and 7x=70.

 Jul 16, 2020
 #3
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3 + 4 + 7 = 14  laugh

Guest Jul 17, 2020
 #2
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so we have  3+4+7=14 for all the ratios of the angles then we do 180/14=90/7 for each unit of the ration then we have 90/7*3,90/7*4,90/7*7 for the angles so the angles are 270/7o,360/7o,90o

 Jul 16, 2020
edited by jimkey17  Jul 17, 2020
 #4
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jimkey17's correct

Pizzaeater12345  Jul 17, 2020

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