Question

# A right triangle has one right angle and two ____ angles.

- obtuse
- acute
- congruent

Hint:

### using the property of sum of angles in the triangle is 180.Find the relation between angles other two angles.

## The correct answer is: acute

### ANS :- Option B

Explanation :-

Let the triangle be PQR, angle Q measure 90º.

∠P +∠Q +∠R = 180º (sum of angles in a triangle)

∠P + 90º +∠R = 180º

∠P +∠R = 180º - 90º = 90º

If sum of two angles is 90 Then each angle is less than 90 .

Then we can say both angles are acute angles when a Right triangle has 1 right angle

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**Note:**

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