08-06-2016
Mathematics

Answered

the second angle in a triangle is five times as large as the first. The third angle is 2/3 as large as the first. What are the angle measures?

Verified Answer :

09-06-2016

Hello,
let x the first angle

5x the second
2/3 x the third

x+5x+2/3x=180
==>20x/3=180
==>x=27 (°)
5x=527=135
2/3x=2/3*27=18

27+135+18=180

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