# An equilateral triangle is described on the diagonal of a square. What is the ratio of the area of the triangle to that of the square? (a) 2: (b) 4: (c) :2 (d) :4

## Question ID - 50120 :- An equilateral triangle is described on the diagonal of a square. What is the ratio of the area of the triangle to that of the square? (a) 2: (b) 4: (c) :2 (d) :4

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Answer Key : (c) -

Let the side of each square =  cm.

Length of diagonal =  cm.

Area of equilateral triangle with side.

Req. ratio = .

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In a communication system operating at wavelength 800mm, only one percent of source frequency is available as signal bandwidth.  The number of channels accommodated for transmitting TV signals of band width 6 MHz are (Take velocity of light c=3× 108m/s,h = 6.6 × 10−34  J s)

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