In a quadrilateral ABCD LA = (2x+4)°,
LB = (2x-13)°,
Lc = (3x + 11)° and LD
(4x-5)°. Find the measure
of the angles.
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7
Answer:
(2x+4)+(2x-13)+(3x+11)+(4x-5)=360
2x+4+2x-13+3x+11+4x-5=360
10x-3=360
10x=360-3
10x=357
x=357/10
x35.7
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