. A guard, stationed at the …

. A guard, stationed at the top of a 240 m tower, observed an unidentified boat coming towards it. A clinometer or inclinometer is an instrument used for measuring angles or slopes(tilt). The guard used the clinometer to measure the angle of depression of the boat coming towards the lighthouse and found it to be 30°.  (Lighthouse of Mumbai Harbour. Picture credits - Times of India Travel) Make a labelled figure on the basis of the given information and calculate the distance of the boat from the foot of the observation tower. 2 After 10 minutes, the guard observed that the boat was approaching the tower and its distance from tower is reduced by 240(root 3 - 1) m. He immediately raised the alarm. What was the new angle of depression of the boat from the top of the observation tower

Ch 3 ex 3.3

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3.11stques

8. The least positive value of k, for which the quadratic equation 2x2 + kx - 4 = 0 has rational roots, is

What is homogeneous liner equation?

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Draw a graphical representation of 3x+y=3

If alpha and beta are the zeros of the polynomial 2x²-5x+7, then find the value of alpha-¹+ beta-¹

a+b ka hool square