The angles of a triangle are (3x) ° (2x - 7) ° and (4x - 11 ) ° Find the value of x and each angle of the triangle.
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main to theek nhi hoon ...
achhi baat hai ap theek ho ..
btw .
haan cupcake unnie .. wait apke qeusts me hi answer krti hoon ..
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Answer:
Sum of angles of triangle is 180∘
3x+(2x−7)+(4x−11)=180∘
⇒3x+2x−7+4x−11=180∘
⇒9x−18=180∘
⇒9x=(180+18)∘
⇒9x=198∘
⇒x=1989∘
∴x=22∘
Mathematics
Standard IX
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