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Questions and Answers
What is the sum of all interior angles of a triangle?
What is the sum of all interior angles of a triangle?
- 180 degrees (correct)
- 270 degrees
- 90 degrees
- 360 degrees
What is the name of a triangle with three sides of different lengths?
What is the name of a triangle with three sides of different lengths?
- Obtuse triangle
- Equilateral triangle
- Scalene triangle (correct)
- Isosceles triangle
Which theorem states that the square of the hypotenuse is equal to the sum of the squares of the other two sides in a right-angled triangle?
Which theorem states that the square of the hypotenuse is equal to the sum of the squares of the other two sides in a right-angled triangle?
- Pythagoras theorem (correct)
- Thales theorem
- Euclid's theorem
- Archimedes theorem
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Study Notes
Properties of Triangles
- The sum of all interior angles of a triangle is 180 degrees.
Types of Triangles
- A triangle with three sides of different lengths is called a scalene triangle.
Theorems in Geometry
- The Pythagorean Theorem states that the square of the hypotenuse is equal to the sum of the squares of the other two sides in a right-angled triangle.
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