Question
Which of the function key is commonly used to open the
help window in applications?Solution
 F1 is universally used to open Help in most software programs.
Find the perimeter of a sector which forms a central angle of 150° in a circle of radius 21 cm.
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Inside a square land having perimeter equal to 120 metres, leaving aside a circular land of radius 14 metres, the remaining land needs to be levelled at...
If both the length and breadth of a rectangle are increased by 5 m, its area increases by 225 m². The ratio of the perimeters of the square and rectang...
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