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12 questions
Identify the figure
Hexagon
Octagon
Nonagon
Decagon
Identify the polygon
Octagon
Nonagon
Decagon
Heptagon
Sum of the Measures of the Exterior Angles of a
Polygon
180
360
90
None
Opposite angles are supplementary in parallelogram.
True
False
Diagonals bisect each other at right angle in rectangle.
True
False
Find the number of sides of a regular polygon whose each exterior angle has a measure of 60 °
6
8
12
5
In the following polygons, which of the polygon is concave polygon?
How many diagonals have a regular hexagon?
9
5
7
8
If three angles of a quadrilateral are each equal to 75°, then, the fourth angle is
(a) 150°
(b) 135°
(c) 45°
(d) 75°
What is the sum of all the angles of a pentagon?
(a) 180°
(b) 360°
(c) 540°
(d) 720°
The angles of a quadrilateral are in the ratio 1 : 2 : 3 : 4. The smallest angle is
(a) 72°
(b) 144°
(c) 36°
(d) 18°
In the figure, find the value of x.
820
740
500
750
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