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If A and B denote the sides of a parallelogramand its area is h AB ( A and B are the magnitude ofA and 8 respectively), the angle betweenA and B is(a) 300(c) 450(b) 600(d) 1200 |
Answer» <p>A*B = ab sin theta thus ab sin theta =ab/2 therefore sin theta =1/2 hence theta =30 degree.</p> | |