Question

solve the all question

Answer 1

9)
A)-(0,5)
B) -(5,3)
C) -(-2,4)
D) -(0,-2)
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10)
Since the interior angles on the same side of transversal are supplementary
<BAC +<DCA=180
1/2<BAC +1/2<DCA=1/2×180
As AP and CP are bisectors of <BAC and <DCA, respectively
<1+<2=90
In triangle APC
<1+<2+<3=180
<3=180-90
90
APC is equal to 90 degree hence proved
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