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For The Mathematically Inclined

Anil Saigal
10/22/2012

PROBLEM # 1
After you see a lightning flash, its takes 8.34 seconds for you to hear the thunder. knowing that sound travels at 1129 feet per second, which of the following would be the best estimate of the distance in feet between your location and the storm?


PROBLEM # 2
In the figure below, AD = CD = BC, and angle C = 2(angle A). What is angle A?


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Please send your solutions to mr.asaigal@gmail.com.

Use Problem Solutions M-102512 as the subject line. Please include your full name in the text of the main message. Everyone with the right answer will be acknowledged in the next issue of Lokvani.

Please do not post your solution in Post Comments. No credit will be given for solutions not sent to anil@lokvani.com.

If you need clarification on any problem, please contact anil@lokvani.com.

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Problems from 10/25/12

PROBLEM #1
What is the the slope-intercept form for the equation of the line through the two points (7, 5) and  (2, 8).

SOLUTION 1

5y = -3x + 46

PROBLEM #2
A pottery wheel has a diameter of 28 centimeters.  Through what angle (in radians) must the wheel turn to move a point on the edge of the disk 7 meters?

SOLUTION 2

50 radians 

Congratulations to Abhimanyu Bhargava, Aseem Chandawarkar and Suhas Joglekar, who were the winners of the last set of puzzles..



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