Perpendiculars and Parallels

Q.

At what time can the hour hand and the minute hand be perpendicular to each other?

1. 06:15

2. 09:00

3. 03:45

4. Both A & B

Q. Two lines are said to be perpendicular to each other when they meet at _____ angle.

1. 360⁰
2. 180⁰
3. 90⁰
4. 60⁰

Q. Name the following angles in three point notation. State the type of angle in each case.

Q. If AB is perpendicular to CD and PQ is perpendicular to AB, which of the following is/are true?

1. CD is parallel to PQ
2. CD is perpendicular to PQ
3. Both A & B
4. None of the above are true

Q.

Question 60

State whether the statements are true or false:

Infinitely many perpendiculars can be drawn to a given ray.

Q.

At what time shown in the options, the hour hand and the minute hand of your clock will be perpendicular to each other?

1. 06:15

2. Both A & B

3. 03:45

4. 09:00

Q. Construct the following angles with the help of ruler and compasses only:

(i) 30°
(ii) 90°
(iii) 45°
(iv) 135°
(v) 150°
(vi) 105°

Q.

Which of the following is an example of perpendicular lines?

1. Corners of your circular room floor

2. One of the angles in both your set squares

3. Angle included between the hour hand and minute hand when it is $12:15$ in your wall clock

1. 2

2. 1

3. 2 & 3

4. 1 & 3

Q.

What follows a straight path extending in both directions with no endpoints?

1. Ray

2. Radius

3. Decimal

4. Line

Q.

Which of the following is an example of perpendicular lines?

1. Corners of your circular room floor.

2. One of the angles in both of your set squares.

3. Angle included between the hour hand and minute hand when it is $12:15$ in your wall clock.

1. 1

2. 2 & 3

3. 1 & 3

4. 2

Q.

Which of the following is not an example of perpendicular lines?

1. Corners of your circular room floor

2. One of the angles in both your set squares

3. Angle included between the hour hand and minute hand when it is $12:15$ in your wall clock

1. 1

2. 2

3. 2 & 3

4. 1 & 3

Q.

Have you seen long highway roads that never meet and are the same distance apart everywhere? What would such roads be called, in mathematical terms?

1. Parallel lines

2. Intersecting lines

3. Oblique lines

4. Perpendicular lines

Q.

If $\angle$ABC = ${80}^{\circ }$, $\angle ABC$ is also known as a/an ___ angle.

Q.

Construct with ruler and compasses, angles of following measures:

(a) 60° (b) 30° (c) 90°

(d) 120° (e) 45° (f) 135°

Q.

Choose the correct option that represents parallel lines?

1. A Book

2. Cricket Ball

3. Railway track

4. Ice-cream cone

Q. At what time shown in the options, the hour hand and the minute hand of your clock will be perpendicular to each other?

1. $03:00$
2. $06:15$
3. $03:30$
4. $11:00$

Q. Two lines are said to be perpendicular to each other when they meet at _____ angle.

Q.

Why the + or cross make 90 degree?

Q. Two lines are said to be perpendicular if they make a ______ angle with each other.

1. 45 degree
2. 90 degree
3. 135 degree
4. 180 degree

Q.

Choose the option that represents parallel lines?

1. A Book

2. Cricket Ball

3. Railway track

4. Ice-cream cone

Q.

Length of $\overline{AB}$ is 20 cm. $\overline{PR}$ is the perpendicular bisector of $\overline{AB}$ and Q is the midpoint of $\overline{AO}$ . Find $\overline{AQ}$ + $\overline{OB}$

1. 30
2. 15
3. 40
4. 25

Q. Have you seen long highway roads that never meet and are the same distance apart everywhere? What would such roads be called, in mathematical terms?

1. Intersecting lines

2. Perpendicular lines

3. Parallel lines

4. Oblique lines

Q. Have you seen long highway roads that never meet and are the same distance apart everywhere? What are roads called, in mathematical terms?

1. Parallel lines

2. Intersecting lines

3. Oblique lines

4. Perpendicular lines

Q.

Choose the option that best represents parallel lines?

1. A Book

2. Ice-cream cone

3. Railway track

4. Cricket Ball

Q. Construct the following angles with the help of ruler and compasses only:

(i) 30°
(ii) 90°
(iii) 45°
(iv) 135°
(v) 150°
(vi) 105°

Q. Choose the false statement:
(a) Line is the same as line
(b) Ray is the same as ray
(c) Line segment is the same as teh line segment
(d) None of these

Q.

Identify the instances at which, the hour hand and the minute hand of your clock will be perpendicular to each other?

1. 06:15

2. 03:45

3. Both A & B

4. 09:00

Q. With the help of a compass, draw an angle equal in measure to each of the angles given below.

(3)

Q. You have a compass with a pencil. Which of the following you must have to draw a line segment of 10 cm.

1. A ruler of 15 cm
2. A protractor
3. A divider
4. A set square

Q. Sanofar told her students to draw angle ${45}^{\circ }$. Rakesh claimed he was right and Anita claimed she was right. The figure drawn by Anita and Rakesh are given below. Sanofar told ___ has drawn the correct angle.