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GIVEN: Angle A = 130°
TO FIND : Angle DPE = Angle CPB =?
Let angle B be 2x
So, angle C = 180 - (130 +2x) = 50–2x
So angle DCB =(50–2X)/2
Now, angle CDA = 2x + (50–2x)/2 ( as exterior angle = the sum of 2 opposite interior angles)
=> angle CDA = (2x +50)/2 = x+ 25 ……..(1)
Now,in triangle AEB, angle AEB =180 - (130+x) = 50 -x ………….(2)
So, in quadrilateral ADPE,
angle DPE = 360 -(130 + x+25 + 50-x)
=> angle DPE = 360- 205
=> angle DPE = 155°.....ans.
GIVEN: Angle A = 130°
TO FIND : Angle DPE = Angle CPB =?
Let angle B be 2x
So, angle C = 180 - (130 +2x) = 50–2x
So angle DCB =(50–2X)/2
Now, angle CDA = 2x + (50–2x)/2 ( as exterior angle = the sum of 2 opposite interior angles)
=> angle CDA = (2x +50)/2 = x+ 25 ……..(1)
Now,in triangle AEB, angle AEB =180 - (130+x) = 50 -x ………….(2)
So, in quadrilateral ADPE,
angle DPE = 360 -(130 + x+25 + 50-x)
=> angle DPE = 360- 205
=> angle DPE = 155°.....ans.
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answer is in the pic.
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Brainlist it if it helps you.
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