RBSE Class 8 Maths Important Questions Chapter 4 Practical Geometry

Rajasthan Board RBSE Class 8 Maths Important Questions Chapter 4 Practical Geometry Important Questions and Answers.

RBSE Class 8 Maths Chapter 4 Important Questions Practical Geometry

Multiple Choice Questions:

Question 1.
To draw a unique quadrilateral, the total measurements are required
(a) two
(b) three
(c) four
(d) five 
Answer:
(d) five 

Question 2.
A line segment connecting two opposite vertices is called
(a) side 
(b) diagonal
(c) hypotenuse
(d) base
Answer:
(c) hypotenuse

Question 3.
A parallelogram with sides of equal length is called
(a) triangle
(b) rhombus
(c) rectangle
(d) trapezium
Answer:
(b) rhombus

Question 4.
If the lengths of four sides and a diagonal is given then the figure is
(a) triangle
(b) quadrilateral
(c) pentagon
(d) hexagon
Answer:
(b) quadrilateral

Question 5.
Sum of the angles of a quadrilateral is
(a) 240°
(b) 360°
(c) 180°
(d) 280°
Answer:
(b) 360°

Question 6.
If the lengths of three sides and two diagonals, then the figure is
(a) pentagon
(b) triangle
(c) hexagon
(d) quadrilateral 
Answer:
(d) quadrilateral 

Question 7.
What are the measurements of sides BC and DC in given parallelogram

(a) 9 cm and 2 cm 
(b) 3 cm and 6 cm
(c) 4 cm and 5 cm
(d) 7 cm and 7.7 cm
Answer:
(c) 4 cm and 5 cm

Fill in the blanks:

Question 1.
If the diagonals of a parallelogram are perpendicular to each other than it is a __________
Answer:
rhombus

Question 2.
If the diagonals of a quadrilateral bisect each other, then it is a __________
Answer:
parallelogram

Question 3.
Each angle of rectangle and square is a __________
Answer:
90°

Question 4.
Opposite sides of a parallelogram are __________
Answer:
equal

Question 5.
A parallelogram with sides of equal length is called __________
Answer:
rhombus.

Short Answer Type Questions:

Question 1.
Write two necessary conditions for construction of a rectangle.
Answer:

• Two adjacent sides are given
• One side and one-diagonal are given.

Question 2.
Define square.
Answer:
A square is a rectangle with equal sides.

Question 3.
If two diagonals are equal in a parallelogram, then which type of quadrilateral is this?
Answer:
Rectangle.

Question 4.
Define rhombus.
Answer:
A rhombus is a parallelogram with sides of equal length.

Question 5.
Define trapezium.
Answer:
Trapezium is a quadrilateral with a pair of parallel sides.

Question 6.
Write the properties of parallelogram.
Answer:

• Opposite sides are equal.
• Opposite angles are equal.
• Diagonals bisect one another.