How many right angle can we have in a triangle?


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Answer:

1

Step by Step Explanation:
  1. We know that the sum of all three internal angles of a triangle is equal to 180 degrees.
  2. Let us take the case when a triangle has two right angles. In this case, the sum of internal angles of the triangle will be 90° + 90° + the third angle.
  3. This sum will be more than 180°, which means such a triangle is not possible. Here is how the figure will look like:
  4. Hence, a triangle can have at maximum only one right angle.

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