1.AOBC is a rhombus 3 of who's vertixs lie of the circle with center of if the radius of the circle is 12 cm find the area of the rhombus.
2.A trapizium with parrellel sides of length as 3:2 cut from a rectangle 35m by 18m so as to have an area 5/7 of rectangle. find the length of parrellel sides.
there are 2 questions of heron's formula chapter answer these questions with full explanation.
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57 is your answer i can't show in full explanation
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