2 years ago

Which are the side lengths of a right triangle? Check all that apply.

Mathematics

2 answers:

S_A_V [24]2 years ago

7 1

Answer:

3, 14, and sqrt205.

2,9, and sqrt85.

Step-by-step explanation:

Check if they fit the Pythagoras theorem c^2 = a^2 + b^2:

3^2 = 9 , 14^2 = 196.

9 + 196 = 205 which is the square of sqrt205.

So this is a right angled triangle.

6^2 + 11^2 = 36 + 121

= 157 Not right-angled.

19^2 + 180^2 = 32761 Not right-angled.

3^2 + 19^2 = 370 Not right-angled.

2^2 + 9^2 = 85, So this is right angled..

earnstyle [38]2 years ago

4 0

Answer:

1 3 5

Step-by-step explanation:

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see the explanation

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