Definition of Congruency

Q. Angles having the same measure are said to be __________.

1. congruent angles
2. supplementary angles
3. complementary angles
4. None of the above

Q. Two figures having same shape and size are said to be .

1. congruent
2. magnified
3. parallel

Q.

Are two triangles congruent if they have same shape?

Q. Explain all the criteria for similarity of two triangles .

Q.

If triangles PQR and EFG are congruent, then angle R is equal to?

1. G

2. E

3. F

4. cannot be determined

Q.

Among two congruent angles, one has a measure of ${60}^o$, the measure of the other angle is ___(in degrees).

Q.

Which of the following is/are incorrect?

1. The perpendicular drawn from the centre of the circle to a chord bisects the chord.

2. Congruent arcs of a circle subtend equal angles at the centre.

3. Congruent arcs of a circle subtend right angles at the centre.

4. Chords equidistant from the centre of a circle are equal in length.

Q. What does m stands in congruent angles

Q.

If two angles have the same measure, they are congruent.

1. True

2. False

Q.

Among two congruent angles, one has a measure of ${60}^o$, the measure of the other angle is ___(in degrees).

Q.

If any closed figure is congruent to another closed figure, the corresponding parts will be ___.

1. equal

2. unequal

3. equal or unequal

4. none of these

Q. Congruent triangles have different perimeter and equal area.

1. False
2. True

Q.

Consider the two statements:

Statement 1: If two line segments have the same length, then they are congruent.

Statement 2: If two line segments are congruent, then they have the same length.

1. Statement 1 is true and statement 2 is false.

2. Statement 1 is false and statement 2 is true.

3. Both Statement 1 and statement 2 are true.

4. Both Statement 1 and statement 2 are false.

Q.

If two angles have the same measure, they are congruent.

1. True

2. False

Q. Any two triangles are said to be congruent if

1. any two corresponding angles are equal.
2. any one corresponding angle is equal.
3. all their corresponding sides are equal.
4. any one corresponding side is equal.

Q.

Two line segments are said to be congruent, if they have __________.

1. same name

2. different measures

3. same measure and same name

4. same measure
   

Q. In a squared sheet, draw two triangles of equal area such that:
The triangles are not congruent.
What can you say about their perimeters?

Q. Among two congruent angles, one has a measure of 70degree then what is the measure of another angle?

Q.

If lengths of all the sides of two triangles are same, then the triangles are congruent.

1. False

2. True

Q.

If a triangle is reflected through a mirror, then the mirror image hence obtained has

1. the same shape but different size

2. the same size but different shape

3. a different shape and size

4. the same shape and size

Q.

Two triangles are congruent if they have

1. Same name

2. Equal measures

3. Unequal measures

4. Same direction

Q. If two figures are identical, then they are said to be ___.