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a. 7,24,25 b. 9,12, 15 c. 7,7,14 d. 12,16,20 e. 5,12,13

2007-04-07 18:13:53 · 4 answers · asked by Anonymous in Science & Mathematics Mathematics

4 answers

Find the one that doesn't fit the Pythagorean Theorem.

a. 7^2 + 24^2 = 25^2
49 + 576 = 625 True, so it is a right triangle

b. 81 + 144 = 225 True

c. 49 + 49 = 196 Not true.

Letter C is not a right triangle.

2007-04-07 18:24:16 · answer #1 · answered by ecolink 7 · 0 0

set 7, 7, 14 does not represent the lenghts of the sides of a right triangle as 7^2 + 7^2 doesn't equal 14^2

2007-04-07 18:32:47 · answer #2 · answered by Ana 4 · 0 0

c is not, two equal sided the third side must be 1.414 of equal, in this case 9.9" not 15.
b & d are 3,4,5 right triangles
a 25^2 - 24^2 = 49 a right
e 13^2-12^2 = 25 a right

2007-04-07 18:23:09 · answer #3 · answered by Mike1942f 7 · 0 0

c. 7,7,14

2007-04-07 18:23:32 · answer #4 · answered by Northstar 7 · 0 0

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