Respuesta :

Answer:

C

Step-by-step explanation:

We can use the Pythagorean Theorem to find if this really is a right triangle.

3² = 9

4² = 16

5² = 25

9 + 16 (?) 25

9 + 16 = 25

Your answer would be C.

Hope this helps. Have a nice day.

Phobic111

Answer:

C.)Yes because [tex]3^{2} + 4^{2} = 5^{2}[/tex]

Step-by-step explanation:

The Pythagoras theorem should be applied in this question. This theorem can only be applicable if the triangle has a right angle ( 90° ) therefore it is used.

[tex]a^{2} + b^{2} = c^{2}[/tex] (The Pythagoras theorem)

[tex]3^{2} + 4^{2} = 5^{2}[/tex]

[tex]3^{2}[/tex] = 9 and [tex]4^{2}[/tex] = 16. So,

9 + 16 = 25 and [tex]5^{2}[/tex] = 25

∴ The sides proves that it is a right angled triangle.

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