Question #512

if the area of a kite is 150mm² and the longer diagonal has length thrice the shorter diagonal. What are the length of its diagonals?

Expert's answer

Area of kite = (1/2)*D1*D2. Let D1=x, D2=3x, so 3x^2=150*2=300. x^2=100, x=10. Thus the diagonals are D1=10, D2=30.

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