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PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST PLSSS HELPPPP I WILLL GIVE YOU BRA class=

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tsutsa

Answer:

III

Step-by-step explanation:

the answer would be the third one because if you divided the three numbers by 3 then they will be 3,5,4 which is a type of right angled triangle...you can also check it with pythagoras theorm.

Answer:

I and III

Step-by-step explanation:

How to tell if a triangle is a right triangle with given sides : If a and b are measures of the shorter sides of a triangle, c is the measure of the longest side, and c2 = a2 + b2, then the triangle is a right triangle. If c2 ≠ a2 + b2, then the triangle is not a right triangle. let us see some example problems based on the above concept.

To determine if the triangle is a right triangle, we use the Pythagorean theorem to test or see if the data agrees. We do as follows: c² = a² + b². 10² = (5√3)² + 5². 100 = 75 + 25. 100 = 100. Therefore, the triangle with the given measurements is a right triangle.

21² + 21² = 29²

and

9² + 12² = 15²

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