If the angles of a quadrilateral are (x-15 degree);x degree,(x+20 degr – InterviewSolution

1.

If the angles of a quadrilateral are (x-15 degree);x degree,(x+20 degree) and (2x+5 degree),find the smallest angle of quadrilateral.

Answer»

Answer:

55

Step-by-step EXPLANATION:

Sum of ANGLES in QUADRILATERAL is 360

so,

$(x-15)+x+(x+20)+(2x+5)=360\\5x+10=360\\5x= 360-10\\x=\frac{350}{5} \\x=70^o$

The smallest ANGLE is $x-15 =70-15 =55^o$

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