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cube.
(3)
3
Stations A and B are 3(1 + V3 km apart. Each station sights an aeroplane
at an angle of elevation

By Hailey

cube.
(3)
3
Stations A and B are 3(1 + V3 km apart. Each station sights an aeroplane
at an angle of elevation of 30°and 45°. Find altitude of aeroplane.
​

About the author
Hailey

There are 4 red 3 green and 2 blue balls in a box. If two balls are taken out from the box one after the another then what is the


7. Find the value of 20 +
6/10+
5/100 is
d) None of these
C) 20.56
b) 20.065
a) 20.65​

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