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10 questions
If three angles of a quadrilateral are each equal to 75°, then, the fourth angle is
(a) 150°
(b) 135°
(c) 45°
(d) 75°
For which of the following quadrilaterals, diagonals are perpendicular to each other?
(a) Parallelogram
(b) Isosceles Trapezoid
(c) Trapezium
(d) Rhombus
What is the sum of all the angles of a pentagon?
(a) 180°
(b) 360°
(c) 540°
(d) 720°
If two adjacent angles of a parallelogram are (5x – 5) and (10x + 35), then the ratio of these angles is
(a) 1 : 3
(b) 2 : 3
(c) 1 : 4
(d) 1 : 2
Which of the following satisfy the following properties?
All sides are congruent
All angles are right angles.
Opposite sides are parallel.
Square
Rectangle
Kite
Rhombus
Which of the following statements is incorrect ?
A rectangle has all angles and all sides equal to each other.
A hexagon as 6 sides.
A regular octagon has 8 sides of equal length.
A rhombus and a rectangle are irregular polygons.
The measure of each interior angle of a rectangular polygon of 12 sides is ?
123 degree
125 degree
150 degree
175 degree
If a convex polygon has n sides, the no. of diagonals is given by ?
n(n-1)/2
n(n-2)/2
n(n+3)/2
n(n-3)/2
What is the formula for finding angle sum of a polygon if n is the number of sides ?
(n-2)x181
(n-2)x180
(n-1)x180
(n-2)x360
A circle is a ?
Simple Closed Curve
Simple Curve
Polygon
Open Curve
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