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Let the height of the tower be h And ∠CBD = θ and ∠ DAC = 90 – θ In ∆ BCD tan θ = CD/BC = h/9 …………(i) In ∆ ACD tan(90 - θ) = CD/AC cot θ = h/16 ……………………….(ii) On multiplying Equation (i) and (ii) tan θ × cot θ = h/9 × h/16 1 = h²/144 Now h = 12 m
Fill in the blank with the appropriate word.
________ aim in life is to provide happiness _______ enable a harmonious atmosphere _________ everyone forever.
1) all over India 2) final 3) pan-India 4) complete 5) none of t...
Find the appropriate word.
Fill in the blank with the appropriate word.
Choose the most appropriate option for blank no. 1
Find out the appropriate word in each case.
From the following select the appropriate word to replace number (47) in the above passage.
Fill in blank 43 with the most appropriate word.
Find the appropriate word.