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Grade 8 CBSE Quadrilaterals test 2

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1. Which of these pairs of quadrilaterals can also be an example of a Kite?

2. In which quadrilateral two adjacent angles are equal in measure

3. In which set of quadrilaterals the diagonals bisect each other?

4. The diagonals are equal in which set of quadrilaterals?

5. The sum of interior angles of a polygon is given by

6. The measure of an exterior angle of a n-sided regular polygon is

7. The measure of an interior angle of a regular polygon is

8. The number of diagonals in a polygon of n sides is given by

9. In a square ABCD, the diagonals meet at point O. The triangle ABC is a:

10.The four angles of a quadrilateral are in the ratio 1:2:5:4, the angles are:

Section 2
Directions: Fill in the blanks

( The number in the bracket represents the serial number of the answer )
1. The measure of two adjacent angles of a trapezium are in the ratio of 2:3. Find the measure of 
smaller angle  (1)
bigger angle  (2)

2. The ratio of exterior angle to interior angle of a regular polygon is 1:4.
(a)What is the measure of the exterior angle? (3)
(b)What is the measure of the interior angle? (4)
(c)How many sides does the polygon have? (5)
(d)What is the name of the polygon if it had 2 sides less? (6)

3. If each interior angle of a polygon is of 140°, how many sides does it have?
(7)

4. If a quadrilateral can have obtuse angles what is the maximum number such angles it can have?
(8)

5. The two adjacent angles of a parallelogram are (5x - 5)° and (10x + 35)°.
(a)What is the value of x? (9)
(b)What is the measure of the first angle? (10)
(c)What is the measure of the second angle? (11)
(d)What is the ratio of the two angles?(write in the form a:b) (12)

6. How many diagonals does a Heptagon have? (1)           

7. What is the number of sides and the name of a polygon with an exterior angle of:
(a)45°    (2)   (3)
(b)51° (4)  (5)
(c) 60° (6)  (7)
(d) 72° (8)  (9)

8. In a quadrilateral there are three acute angles of measure 77° each, what is the measure of the fourth angle?    (10)

9. Given that WXYZ is a parallelogram
(a)What is the difference of angles X and Z? %BLANK % (11)
(b)Why is the difference so? (12)

10. What is the length of the diagonal of a rectangle whose sides are 10 cm and 24 cm? (13)

Studio T is the content development wing of semantics.

Flex your math muscles at our math  gym.

Try these questions

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