Question

Find the value of a in the figure
A
23
B
40
c
35


​

Answer 1

Explanation:

in quadrilateral ABCD sum of all angles is 360°

40°+35°+23°+angleADC= 360°

98°+ angleADC=360°

angleADC= 262°

262°+x= 360°. (complete angle)

x=360°-262°

x=98°