2 answers:
Answer:
The value of x is
Step-by-step explanation:
we know that
The sum of the internal angles of a quadrilateral must be equal to
so
solve for x
360=x+x+(2x+3)+(2x+3)
we have 360=2x+2x+2x+6
360-6=6x
354=6x
x=354/6=59
x=59
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