a runner is running around rectangle track with length = 50 meters and width = 20 meters.he travels around rectangle track twice , finally running back to starting point.if the total time he takes to run around the track is 100 seconds, determine average speed and average velocity.
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a regular triangular prism is 5cm height,the perimeter of the base which is an equilateral triangle is 2cm. find the volume of the prism
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