What kid of triangle is given in the drawing?
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What kid of triangle is given in the drawing?
The measure of angle C is 90°, therefore it is a right angle.
If one of the angles of the triangle is right, it is a right triangle.
Right triangle
In a right triangle, the side opposite the right angle is called....?
Look for the 90° angle marker in the diagram! The small square symbol at angle C shows it's exactly 90 degrees. Even if two sides are equal (making it also isosceles), the 90° angle makes it a right triangle first and foremost.
Great observation! A triangle can be both right AND isosceles. But when asked 'what kind of triangle,' the 90° angle is the most important feature, so the answer is right triangle.
By angles:
No! A right triangle is a right triangle no matter where the 90° angle is located. Whether it's at the bottom, top, or side doesn't change the classification.
The small square drawn at an angle is the universal symbol for a right angle (90°). Whenever you see this square, you know that angle measures exactly 90 degrees!
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