1
JEE Main 2021 (Online) 16th March Morning Shift
Numerical
+4
-1
Let ABCD be a square of side of unit length. Let a circle C1 centered at A with unit radius is drawn. Another circle C2 which touches C1 and the lines AD and AB are tangent to it, is also drawn. Let a tangent line from the point C to the circle C2 meet the side AB at E. If the length of EB is $$\alpha$$ + $${\sqrt 3 }$$ $$\beta$$, where $$\alpha$$, $$\beta$$ are integers, then $$\alpha$$ + $$\beta$$ is equal to ____________.
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2
JEE Main 2020 (Online) 6th September Morning Slot
Numerical
+4
-0
The angle of elevation of the top of a hill from a point on the horizontal plane passing through the foot of the hill is found to be 45o. After walking a distance of 80 meters towards the top, up a slope inclined at an angle of 30o to the horizontal plane, the angle of elevation of the top of the hill becomes 75o. Then the height of the hill (in meters) is ______.
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