20. The length, breadth and height of a room are 10 m, 10√2
m and 10 m respectively.
The angle of elevation of a top comer of room from any point on a diangonal of the
base of the room is
4) none
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Answer: (i) The given figure represents 2 shaded parts out of 4 equal parts. ... We know that 1 day = 24 hours. ... What fractions of these circles have 'X's in them? ... (a) 5/9, 30/54 (b) 3/10, 12/50 (c) 7/13, 5/ 11.
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