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August 1, 2015

Homework Help: maths

Posted by raffin on Monday, May 21, 2012 at 2:36am.

1 at what time betweeen 7o'clock and 8o'clock will the hands of a watch be at right angles (for the first time)
2 the floor of a room is in the form of a rectangle 'x'cm long and 'y'cm broad but with one corner rounded off by a quadrant of a circle of radius 'r' ,'r' bieng less than both x and y show that the area of the floor is given by A=xy-(1-22/7/4)r^2

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