The measures of the 3 angles of a triangle is in the ratio of 4:5:6. Find their measures

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perimeter / area? what is the unit ?
4+5+6=15
4+5+6=15 then divide from 180 (total measure of the angles of a triangle) then result is 12. Multiply each ratio by 12. 12*4=48; 12*5=60; 12*6=72 therefore the measures of the angles are: 48, 60 and 72.

Answers

  • pau
  • Helping Hand
2014-01-15T20:51:44+08:00
Let x be the number
4x+5x+6x=180 (since the total measurement of angle in a triangle is 180)
15x=180
x=12(to get 12 divide 180 by 15 to isolate x)
the substitute x
if x=12
4(12)+5(12)+6(12)=180
48+60+72=180
180=180


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