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Questions and Answers
What is the sum of the interior angles of a triangle?
What is the sum of the interior angles of a triangle?
- 360 degrees
- 270 degrees
- 180 degrees (correct)
- 90 degrees
What is the name for a triangle with all sides of different lengths?
What is the name for a triangle with all sides of different lengths?
- Equilateral triangle
- Isosceles triangle
- Scalene triangle (correct)
- Right-angled triangle
In a right-angled triangle, what is the side opposite to the right angle called?
In a right-angled triangle, what is the side opposite to the right angle called?
- Opposite side
- Adjacent side
- Hypotenuse (correct)
- Equal side
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Study Notes
Triangles
- The sum of the interior angles of a triangle is 180 degrees.
Classification of Triangles
- A triangle with all sides of different lengths is called a scalene triangle.
Right-Angled Triangles
- In a right-angled triangle, the side opposite to the right angle (90-degree angle) is called the hypotenuse.
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