find the value of x
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Answer:
angle cda=180-130=50 (linear pairs)
so,angle abc=360-(145+60+50)=105.
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Step-by-step explanation:
given L BAD = 60°
L BCD = 145°
L CDE = 130°
L CDA + L CDE = 180° ( linear pair)
L CDA + 130° = 180°
L CDA = 180-130
L CDA = 50°
sum of interior angle of qualdratial is 360°
L BAD + L ABC + L BCD + L CDA = 360°
60 + X + 145 + 50 = 360
255 + X = 360
X = 360 - 255
X = 105°
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