Online MCQs Practical Geometry Triangles Class 9 from Chapter 17 Mathematics. There are 32 Multiple Choice Questions from class 9 Mathematics Chapter 17 (“Practical Geometry Triangles”)with Answers. Let us start with the mathematics 9th class quiz.

Online Multiple Choice Questions about Practical Geometry-Triangles, Chapter 17 Mathematics 9th Class

### MCQs Practical Geometry Triangles Class 9

- A triangle having two sides congruent is called ———–.
- A quadrilateral having each angle equal to $90^o$ is called ————.
- The right bisectors of the three sides of a triangle are ————-.
- The ————— altitudes of an isosceles triangle are congruent.
- A point is equidistant from the endpoints of a line segment on its ————-.
- ———– congruent triangles can be made by joining the midpoints of the sides of a triangle.
- The diagonals of a parallelogram ————– each other.
- The medians of a triangle cut each other in the ratio.
- One angle on the base of an isosceles triangle is $30^o$. What is the measure of its vertical angle?
- If the three altitudes of a triangle are congruent then the triangle is ————.
- If two medians of a triangle are congruent then the triangle will be ———-.
- A line segment joining a vertex of a triangle to the midpoint of its opposite side is called ———— of the triangle.
- A line segment from a vertex of a triangle perpendicular to the line containing the opposite side is called an ———– of the triangle.
- The point of concurrency of the three altitudes of a $\triangle$ is called its —————.
- The internal bisectors of the angles of a triangle meet at a point called the ———- of the triangle.
- The point of concurrency of the three perpendicular bisectors of the sides of ———-.
- The point of concurrency of three medians of a triangle is called ———.
- The sum of the interior angles of a triangle is ————.
- The side opposite to the right angle in a right-angled triangle is called ———-.
- The altitudes of a right-angled triangle are concurrent at the ———–.
- The triangles are said to be ———- if they are equiangular.
- All the ————– right bisectors of sides of a triangle are concurrent.
- All three bisectors of angles of a triangle are ————.
- All the three medians of a triangle are ————-.
- All the three altitudes of a triangle are ———–.
- In-center is the point of concurrency of three ———– of triangle.
- Circumcentre is the point of concurrency of three ———— of triangle.
- Centroid is the point of concurrency of three ———– of triangle.
- Three or more than three lines passing through the same point are called ———– lines.
- The common point of three or more than three lines is called ———–.
- In a right-angled triangle, if one angle is $30^o$ then the other angle will be ————.
- In a right-angled triangle, if one angle is $60^o$ then the other angle will be ———–.