Question

Find the four angles of a cyclic quadrilateral ABCD in which ∠A= (x+y+10)°, ∠B = (y
+20)°, ∠C = (x + y -30)° and ∠D = (x + y)°. ​

Answer 1

Step-by-step explanation:

ABCD is a cyclic quadilateral .If angle A=(4y+20°),angle B=(3y-5)° ,angle C=(-4x°,angle D=(-7x+5)°. Find x &y.

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