Question

In the figure BDC -40°, ACD - 30°, CAD-35°; calculate all angles of
the quadrilateral ABCD?​

Answer 1

Step-by-step explanation:

WE KNOW THAT SUM OF ALL ANGLES OF QUADRILATERAL = 360

SO , BDC+ACD+CAD+ABC =360

40 +30 + 35 + ABC= 360

ABC = 360 - 105

SO, ABC= 255

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