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How are the numbers related to the shapes? What is the pattern?

Free on line practice

Find the missing number

# Puzzle 119

By Panos Kalliantasis





 How are the numbers related to the shapes?  
What is the pattern?
 find the number in the center of the square.
 
 
 This math shape puzzle will challenge your mind to find the missing number.
 
Try it yourself
 
 
 
Scroll down to compare your answer
 
 If the numbers at the vertices of the square are A,B,C,D
 
The pattern is:
(A^2+B^2)-(C^2+D^2)=The number in the center of the square.

 
 First square
(4^2+8^2)-(2^2+6^2)=(16+64)-(4+36)=80-40=40
Second square
(5^2+9^2)-(7^2+3^2)=(25+81)-(49+9)=106-56=50
Third square
(8^2+5^2)-(2^2+7^2)=(64+25)-(4+49)=89-53=36
 
Correct answer is 36

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1 comment:

  1. 2nd square - (5*5+9*9)-(3*3+7*7) 25+81=106, 9+49=56 106-58=48?

    ReplyDelete

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