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Please help with this anyone
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15 votes
Please help with this anyone

Please help with this anyone-example-1
User Shnigi
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1 Answer

4 votes
Sum of angles inside a triangle is 180 degrees

So,

(6x+10)+(2x+5)+(3x-11)=180

11x+4=180
11x = 176
x = 176/11 = 16

So the required angle R will be 6(16)+10 = 106 degrees
User Mhdjazmati
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