Is this problem equivalent 12 posters for 36 student 21 posters for 63 people
2 answers:
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The value of x is 10
Step-by-step explanation:
We know that the sum of internal angles of a quadrilateral is 360 degrees
So,
Given
Angle 1 = A1 = 3x+10
Angle 2 = A2 = 9x+50
Angle 3 = A3 = 4x
Angle 4 = A4 = 13x+10
So,
Subtracting 70 from both sides
Dividing both sides by 29
Hence,
The value of x is 10
Keywords: Angles, Quadrilateral
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