Class 6 Exam  >  Class 6 Notes  >  Mathematics for Class 6  >  Practice Questions: Playing with Constructions

Practice Questions: Playing with Constructions | Mathematics for Class 6 PDF Download

Q1: Using only a compass, draw a circle of radius 5.5 cm. Mark its center as point O.
Sol:

  1. Place the compass at a fixed point O.
  2. Open the compass to 5.5 cm using a ruler.
  3. Draw a full circle. This is the required circle of radius 5.5 cm.Practice Questions: Playing with Constructions | Mathematics for Class 6

Q2: What is the definition of a radius? Give an example using a circle.

Sol: A radius is the distance from the center of a circle to any point on its boundary.
Example: In a circle with center M and point A on the circle, MA is the radius.Practice Questions: Playing with Constructions | Mathematics for Class 6

Q3: Draw a square with side 4.5 cm using only a ruler and compass.

Sol: 

  • Draw base AB = 4.5 cm.Practice Questions: Playing with Constructions | Mathematics for Class 6

  • Construct 90° angles at A and B.Practice Questions: Playing with Constructions | Mathematics for Class 6

  • Using a ruler, mark point D on the perpendicular line such that AB = 4.5 cm.Practice Questions: Playing with Constructions | Mathematics for Class 6

You can also use a compass to measure AD.Practice Questions: Playing with Constructions | Mathematics for Class 6

  • Draw a perpendicular line to line segment AB at point B.
  • If using a compass, the next point can be easily marked with it.Practice Questions: Playing with Constructions | Mathematics for Class 6
  • Complete the square by ensuring all sides are equal.Practice Questions: Playing with Constructions | Mathematics for Class 6

Q4: What are the properties of a rectangle?
Sol:

  • Opposite sides are equal and parallel.
  • All four angles are 90°.
  • Diagonals are equal and bisect each other.

Q5: Construct a rectangle PQRS such that PQ = 6 cm and QR = 4 cm.
Sol:

  • Draw PQ = 6 cm.
  • Construct perpendiculars at P and Q using a compass.
  • Mark S on the perpendicular at P such that PS = 4 cm.
  • Mark R on the perpendicular at Q such that QR = 4 cm.
  • Join S to R, ensuring SR is parallel to PQ by using the compass to maintain equal lengths.

Same process can be done as in Q3 we did.

Q6: Construct a perpendicular bisector of a line segment AB = 7 cm.
Sol:

  1. Draw AB = 7 cm.
  2. With compass on A and B, draw arcs above and below AB using radius > 3.5 cm. ( Choose a radius greater than half of AB (3.5 cm) to ensure the arcs intersect above and below the line.)
  3. Connect arc intersections. This line is the perpendicular bisector.

Q7: In a square WXYZ, if WX = 6 cm, what is the length of diagonal WZ?
Sol:
Diagonal = side × √2 = 6 × √2 ≈ 6 × 1.41 = 8.46 cm

Q8: Construct a right angle using only compass and ruler.
Sol:

  1. Draw line AB.
  2. Place the compass at B, draw an arc intersecting AB at P.
  3. From P, draw an arc with the same radius.
  4. From B, draw another arc with a slightly larger radius to intersect the previous arc at Q.
  5. Join B to Q to form a 90° angle.

Diagram draw on your own by following the above given steps.

Q9: A photo frame is square-shaped with a side of 12 cm. What is the length of its diagonal?
Sol: Diagonal = 12 × √2 ≈ 16.97 cm.

Q10: Draw a circle of diameter 8 cm. What is its radius?
Sol: Radius = Diameter ÷ 2 = 4 cm.

Draw the circle with radius 4 cm.Practice Questions: Playing with Constructions | Mathematics for Class 6

The document Practice Questions: Playing with Constructions | Mathematics for Class 6 is a part of the Class 6 Course Mathematics for Class 6.
All you need of Class 6 at this link: Class 6
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FAQs on Practice Questions: Playing with Constructions - Mathematics for Class 6

1. What are constructions in mathematics?
Ans. In mathematics, constructions refer to the methods and processes used to create geometric figures using a compass and straightedge. They involve precise steps to ensure accuracy in shape and size.
2. Why is it important to learn constructions in Class 6?
Ans. Learning constructions in Class 6 helps students develop spatial reasoning and problem-solving skills. It lays a foundation for understanding geometry and enhances their ability to visualize and create shapes accurately.
3. What tools are commonly used for geometric constructions?
Ans. The primary tools used for geometric constructions are a compass and a straightedge (ruler without markings). These tools help create precise lines, angles, and shapes in various geometric problems.
4. Can you give an example of a simple geometric construction?
Ans. A simple example of a geometric construction is drawing an equilateral triangle. This involves using a compass to draw a circle with a given radius, marking points on the circle, and connecting them to form the triangle.
5. How can students practice constructions at home?
Ans. Students can practice constructions at home by using a compass and straightedge to create various shapes and figures. They can follow instructions from their textbooks, online resources, or videos to improve their construction skills.
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