Marking Scheme Class- X Session- 2021-22 TERM 1 Subject ...
6 (d) Ratio of altitudes = Ratio of sides for similar triangles So AM:PN = AB:PQ = 2:3 1 7 (b) 22sin2β – cos β = 2 Then 22 sin β – (1- sin2β) = 2 3 2sin β =3 or sin2β =1 β is 90ᵒ 1 8 (c) Since it has a terminating decimal expansion, so prime factors of the denominator will be 2,5 1
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