diagonals of a rhombus are 6 centimetre and 8 centimetre find its perimeter
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In triangle , AOB
AB= √ 3²+4²= √ 9+ 16 = √25 = 5 cm
perimeter = 4 ( 5) = 20 cm²
AB= √ 3²+4²= √ 9+ 16 = √25 = 5 cm
perimeter = 4 ( 5) = 20 cm²
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a 560 train travelling at uniform speed take one minute and 20 seconds to pass Telegraph poles what is it is speed in per kilometre hai
Kilometre ke bad hour ha
560/80 × 18/5 = 112/80× 18= 112×9/40= 56×9/20= 28×9/10= 25.2 km per hour
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