Q 1 – How many measurements can determine a quadrilateral uniquely?
(a) 2
(b) 3
(c) 4
(d) 5
Ans. (d) 5
Q 2 – What do we require to construct a quadrilateral if lengths of four sides are given?
(a) One of the angle
(b) Length of a diagonal
(c) Length of two diagonals
(d) None of these
Ans. (b) Length of a diagonal
Q 3 – The diagonals of a square are ______________ each other
(a) equal to
(b) unequal to
(c) perpendicular bisectors of
(d) none of these
Ans. (c) perpendicular bisectors of
Q 4 – The quadrilateral whose diagonals are equal and bisect each other at the right angle is ________.
(a) Triangle
(b) Square
(c) Rhombus
(d) None of these
Ans. (b) Square
Q 5 – The opposite angles of a parallelogram are ______________ .
(a) Unequal
(b) equal
(c) complementary
(d) supplementary
Ans. (b) equal
Q 6 – The diagonals of a square bisect each other at _________ angle.
(a) acute
(b) right
(c) obtuse
(d) reflex
Ans. (b) right
Q 7 – What is the sum of the measures of angles of convex quadrilaterals?
(a) 180°
(b) 90°
(c) 360°
(d) 45°
Ans. (c) 360°
Q 8 – All the angles of a regular polygon are of ________________.
(a) 90°
(b) 60°
(c) equal length
(d) equal measure
Ans. (d) equal measure
Q 9 – How many diagonals does a regular Hexagon has ?
(a) 2
(b) 9
(c) 3
(d) 5
Ans. (b) 9
Q 10 – What do we require to construct a quadrilateral if measures of two adjacent angles are given?
(a) Lengths of three sides
(b) Length of one side
(c) Lengths of two sides
(d) None of these
Ans. (a) Lengths of three sides
Q 11 – How many sides does a heptagon have ?
(a) 2
(b) 4
(c) 7
(d) 5
Ans. (c) 7
Q 12 – What is the appropriate condition to construct a quadrilateral?
(a) When four sides and one diagonal are given
(b) When three sides and one diagonal are given
(c) When two sides and one diagonal are given
(d) None of the above
Ans. (a) When four sides and one diagonal are given
Q 13 – A simple closed curve made up of only _____________ is called a polygon .
(a) lines
(b) curves
(c) closed curves
(d) line segments
Ans. (d) line segments
Q 14 – Minimum possible interior angle in a regular polygon is ______________.
(a) 70°
(b) 60°
(c) 90°
(d) 120°
Ans. (b) 60°
Q 15 – The measure of each interior angle of a regular polygon is 140o, then the number of sides that regular polygon has ___
(a) 15
(b) 12
(c) 9
(d) 10
Ans. (c) 9
Q 16 – If two diagonals and three sides are given, then:
(a) A quadrilateral cannot be constructed
(b) A quadrilateral can be constructed
(c) Insufficient information
(d) Any polygon can be constructed
Ans. (a) A quadrilateral can be constructed
Q 17 – A parallelogram must be a rectangle if its diagonals
(a) bisect the angles to which they are drawn
(b) are perpendicular to each other
(c) bisect each other
(d) are congruent
Ans. (d) are congruent
Q 18 – Polygons that have no portions of their diagonals in their exteriors are called
(a) triangles
(b) convex
(c) concave
(d) squares
Ans. (b) convex
Q 19 – A parallelogram each of whose angles measures 90° is ______________.
(a) rectangle
(b) rhombus
(c) kite
(d) trapezium
Ans. (a) rectangle
Q 20 – How many measurements are required to construct a quadrilateral, uniquely?
(a) Four
(b) Five
(c) Six
(d) Three
Ans. (b) Five
Q 21 – The value of x in the following figure is
(a) 100°
(b) 90°
(c) 108°
(d) 120°
Ans. (c) 108°
Q 22 – The value of (x) in the following figure is
(a) 120°
(b) 80°
(c) 100°
(d) 60°
Ans. (d) 60°
Q 23 – The number of sides in a regular polygon is 15 , then measure of each exterior angle is
(a) 24°
(b) 36°
(c) 20°
(d) 18°
Ans. (a) 24°
Q 24 – The angle sum of all interior angles of a convex polygon of sides 7 is
(a) 180°
(b) 540°
(c) 630°
(d) 900°
Ans. (d) 900°
Q 25 – All the angles of a regular polygon are of ______________.
(a) 90°
(b) 60°
(c) equal measure
(d) equal length
Ans. (c) equal measure
Q 26 – Polygons that have any portions of their diagonals in their exteriors are called
(a) Squares
(b) triangles
(c) convex
(d) concave
Ans. (d) concave
Q 27 – A polygon with minimum number of sides is
(a) Pentagon
(b) Square
(c) triangle
(d) angle
Ans. (c) triangle
Q 28 – If two diagonals and three sides are given, then:
(a) A quadrilateral cannot be constructed
(b) A quadrilateral can be constructed
(c) Insufficient information
(d) Any polygon can be constructed
Ans. (b) A quadrilateral can be constructed
Q 29 – The diagonals of a square bisect each other at ______________ angle.
(a) acute
(b) right
(c) obtuse
(d) reflex
Ans. (b) right