Congruency of Triangles

Q. How many right angles are there in the letter L?

Q.

If triangle PQR is congruent to triangle XYZ, then which of the following is true?

1. angle P is congruent to angle Y

2. angle Q is congruent to angle Z

3. angle R is congruent to angle X

4. angle R is congruent to angle Z

Q.

When a triangle is said to be congruent?

Q. Shekhar is a famous cricket player. He has so far scored $6980$ runs in test matches. He wishes to complete $10,000$ runs. How many more runs does he need?

Q. Which among these is a test for congruency?

1. SAS
2. LLS
3. RLS
4. SRS

Q. Match the postulates of congruency when the given parameters (side 'S' and angle 'A') are satisfied.

1. SSS
2. SAS
3. ASA

Q. Solve the expression using suitable arrangement and/or properties:
84 × 9

Q. Which of the following pair of angles make a complete angle?

1. 270°, 180°
2. 180°, 90°
3. 90°, 270°
4. 240°, 60°

Q.

In the figure, AC ⊥ BD. Name all the right triangles formed.

Q. Find the lengths of the other $3$ sides of a parallelogram, whose perimeter is $72$ inches, and whose one side measures $12$ inches. ( All lengths in inches )

1. $12,12,36$
2. $12,18,18$
3. $12,24,24$
4. $12,30,30$
5. Cannot be determines from the given information

Q.

Find the number of degrees in 3 right angles.