Q. 3 D5.0( 2 Votes )

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Answer :


We have to find the height of 2nd building is which is 1st building + ED


We know that Tanθ =


From, triangle CED we can write Tan 45° =


1 =


ED = 10 cm.


Height 2nd building is 1st building + ED


Height 2nd building = 20 + 10 = 30 cm.


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