Step-by-step explanation:
angleA=31degree
angleC=4x-5
then x=?
here according to figure
angleA=angleB
then angleB 31degree
31+31+4x-5=360
58+4x=360
4x=360-58
4x=302
x=302/4
x=75.5degree Ans
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Verified answer
Step-by-step explanation:
angleA=31degree
angleC=4x-5
then x=?
here according to figure
angleA=angleB
then angleB 31degree
31+31+4x-5=360
58+4x=360
4x=360-58
4x=302
x=302/4
x=75.5degree Ans