Question
The sides of a cyclic quadrilateral taken in an order are 15 cm, 21 cm, 18 cm and 20 cm. If one of its diagonals is 23 cm, then find the other diagonal. (A) 48 cm, (B) 32 cm, (C) 26 cm (D) 30cm
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Are Particles of Matter Attract Each Other?
YES, Particles of matter attract each other.
Let us observe some activities,
Activity: Make four groups and form a human chain
Group1: The First group...