Math Triangles MCQ Test 5

1. What is the formula for the radius of the inscribed circle in a triangle with sides 'a', 'b', and 'c'?

2. What is the formula for the length of the altitude drawn to the hypotenuse of a right-angled triangle?

3. If a triangle has an angle less than 90 degrees, what is its name?

4. What is the formula for the area of an equilateral triangle with side length 's'?

5. What is the sum of the interior angles of an equilateral triangle?

6. What is the exterior angle of a triangle?

7. Define the medians of a triangle.

8. Define the altitude of a triangle.

9. If a triangle has a right angle, what is the name given to the side opposite the right angle?

10. Define the circumradius of a triangle.