exam Maths Puzzle Numerical Ability

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( 7 x 10^3) x (8 x 10 ^-9)

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exam Other Question

If the sides of a square are decreased by 2cm, the area is decreased by 36cm^2(1296cm). What were the dimensions of the original square? Find all values of pheta in the interval of 0<pheta<360

pheta=arc cos 0 pheta=arc sin (radical2/2)

Find all valus of pheta in the interval 0<pheta<2pi

Pheta= arc cos (ra