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A person is walking at a speed of 3 km/hr. He sees that the rain is falling down vertically. He increases his speed to 6 km/hr. The rain appears to meet him at an angle of 45 degrees with the vertical. Find the speed of the rain ?

A person is walking at a speed of 3 km/hr. He sees that the rain is falling down vertically. He increases his speed to 6 km/hr. The rain appears to meet him at an angle of 45 degrees with the vertical. Find the speed of the rain ?

Grade:12

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