Triangles Oral Assessment:

Triangles

A  Oral Assessment:

1. What do you understand by congruence ?

2. Give examples of congruent figures from your surroundings.

3. What is triangle ?

4. What are the various parts of a triangle ?

5. What do you understand by side of a triangle ?

6. What is angle ?

7. How many types of triangle are there ?

8. Classify triangles on the basis of their sides.

9. Classify triangles on the basis of their angles.

10. What is exterior angle of a triangle ? How is it different from the interior angle of the triangle?

What is the relation between them ?

B Name it

1. Two circles of same radii

2. Of all the line segments drawn to a line from a point not lying on it..................distance

is the shortest

3. Sides opposite the equal angles

4. Angle opposite to shorter side

5. Triangles having all sides equal

6. Triangles having two equal sides

7. Longest side in a right triangle

8. Hypotenuse and one side of a right triangle are respectively equal to hypotenuse and one

side of another right triangle (congruency criteria)

9. Side opposite to greater angle

10. Three sides of one triangle are equal to corresponding sides of another triangle (congruency

criteria)

11. Two angles and included side of one triangle are respectively equal to two angles and

included side of another (congruency criteria)

12. Sum of two sides in a triangle is ................ than third side