Answered

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Which of the following three sets of lengths could be used to form a right triangle A 39,15 and 36
B 12,8 and 4
C13,17 and 9
D none of above

Sagot :

ChoiSungHyunidn

Step-by-step explanation:

To find a set of 3 leg lengths that will form a right-angled triangle, the square of the largest leg must be equal to the sum of the squares of the other 2 legs.

We try out all the options:

39² = 1521, 15² + 36² = 1521.

12² = 144, 8² + 4² = 80.

17² = 289, 13² + 9² = 250.

Since 39² equals 15² + 36², option A is the correct answer.

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