please do it with method
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Step-by-step explanation:
10.x=180⁰-50⁰=130⁰
y=130⁰ be because it is interior opposite angle.
11. 1 girl
12.Angle PQR=(180⁰–110⁰)=70⁰
...... QRP=(180⁰–135⁰)=45⁰
so,PRQ=180⁰–70⁰+35⁰
=75⁰ ans.
13.b. 99³=(100-1)³
=100³-1³-3×100×1(100-1)
=1000000-1-30000+300
=1000300-30001
=970299.
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aur vo corner me aap ho ☺️☺️
itta easy bhi nhi aata
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