Puzzle | (Square and Right angles, Up the Ladder)

Puzzle 1 : Square and Right angles

Can you make 2 squares and 4 right angled triangles using only 8 straight lines ?
Solution: This is the simple solution for the above problem. Here we use 8 straight lines to make 2 squares and 4 right angle triangles.




Reference : http://www.geekinterview.com/question_details/5585

 

Puzzle 2 : Up the Ladder

Suppose you want to reach up a window 40 feet from the ground. The distance from the foot of the ladder to the wall is 9 feet. Then, according to you, how long should the ladder be ?
Solution: We can easily solve this problem by using Pythagoras theorem. Consider the length of the ladder be X,
then
x^2 = 40^2 + 9^2
x^2 = 1681
x = 41 feet

The ladder should be 41 feet long.

Reference : http://www.mathematische-basteleien.de/ladder.htm

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