Question

EXERCISE 17B
OBJECTIVE QUESTIONS
Mark (/) against the correct answer in each of the following:
1. The sum of all the angles of a quadrilateral is
(a) 180°
(b) 270°
(c) 360°
(d) 400°
2. The three angles of a quadrilateral are 80°, 70° and 120°. The fourth angle is
(a) 110°
(b) 100°
(c) 90°
(d) 80°
3. The angles of a quadrilateral are in the ratio 3: 4:5: 6. The largest of these angles is
(a) 90°
(b) 120°
(c) 150°
(d) 1020
4. A quadrilateral having one and only one pair of parallel sides is called
(a) a parallelogram (b) a kite
(c) a rhombus (d) a trapezium
5. A quadrilateral whose opposite sides are parallel is called
(a) a rhombus (b) a kite
(c) a trapezium (d) a parallelogram
6. An isosceles trapezium has
(a) equal parallel sides
(b) equal nonparallel sides
(c) equal opposite sides
(d) none of these
7. If the diagonals of a quadrilateral bisect each other at right angles, then this quadrilateral is
(a) a rectangle (b) a rhombus
(c) a kite
(d) none of these
8. A square has
(a) all sides equal and diagonals unequal (b) all sides equal and diagonals equal
(c) all sides unequal and diagonals equal (d) none of these
9. A quadrilateral having two pairs of equal adjacent sides but unequal opposite sides, is
called a
(a) trapezium
(b) parallelogram (c) kite
(d) rectangle
10. What do you mean by a regular quadrilateral?
(a) A rectangle (b) A rhombus
(c) A square
(d) A trapezium​

Answer 1

Answer:

1- c

2-c

3-d

4-c

5-d

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Answer 2

1. c) 360°
2. c) 90°
3. b) 120°
4. d) trapezium
5. d) parallelogram
6. a) equal parallel sides
7. b) rhombus
8. b) all sides equal and diagonals equal
9. d) rectangle
10. c) square

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