in a quadrilateral ABCD, angle b =130 c = 60 ,angle bisectors and d meet at p .find angle apd
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In quad ABCD
Angle A+B+C+D = 360 Degrees
Angle A+D= 360-130+60
=170 Degrees
Angle BAC+PAD+PDA+PDC=170 Degrees
But BAC = PAD and PDA = PDC
2 PAD= 2 PDA
PAD + PDA = 170/2
PAD + PDA = 85 Degrees
So Angle PAD+APD+APD= 180 Degrees
APD = 180-PAD+APD
APD= 180-85
ANGLE APD=95 Degrees
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