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A person observes two banks of a river at angles of depression theta1 and theta1( theta1<theta2) from the top of a tree of heig

By Sophia

A person observes two banks of a river at angles of depression theta1 and theta1( theta1<theta2) from the top of a tree of height h which is at a side of the river.The width of the river is ‘d’.​

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Sophia

Plot A (3, 2), B (0,4), C (1,2 D (2,45 on the
same graph paper​

Q11. Red paint and white paint are mixed in the ratio 2 : 9 to make pink paint. How much red paint would be needed to make 121 ℓ o

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