The angle of a cyclic quadrilateral abcd are angle a = (2x+4)
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Answer:
Step-by-step explanation:
A + C = ( 2x - 1) + ( 2y + 15 ) = 180° ==> x + y = 83°
B + D = (y +5 ) + ( 4x - 7 ) = 180° ==> 4x + y =182°.
Solving these two equation together we get ;
x = 33° & y = 50°. Hence angles of the cyclic quadrilateral are ;
A = 65° , B = 55° , C = 115° & D = 125° .
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