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HURRY
Which unit lengths represent the sides of a right triangle? Select two answers.

A.
3, 4, and 5

B.
6, 8, and 15

C.
20, 21, and 28

D.
9, 12, and 15

Respuesta :

bcx
A would be the correct answer.
The numbers 3,4,5 are a Pythagorean Triple. This means they can be put in the form a^2 + b^2 = c^ where a=3, b=4 and c=5.
Relligirl

Answer:A and D

Step-by-step explanation:

A. 3^2+4^2=25 and the square root of that is 5.

D. 9^2+12^2=225 and the square root of that is 15.

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