Polygons on the Basis of Shape
Trending Questions
Explain why a rectangle is a convex quadrilateral.
Which of the following are concave polygons?
i, ii, iii
ii, iii, iv
ii, iii
none of these
Given here are some figures.
(1)  (2)  (3) 
(4)  (5)  (6) 
(7)  (8) 
Classify each of them on the basis of the following.
(a) Simple curve
(b) Simple closed curve
(c) Polygon
(d) Convex polygon
(e) Concave polygon
A convex polygon has at least one diagonal external to it. State true or false.
 True
 False
 Trapezium
 Kite
 Rhombus
 Rectangle
If two angles of a triangle are $60\xb0$ each, then the triangle is
Isosceles but not equilateral
Scalene
Equilateral
RightAngled
State which of the following are polygons :
If the given figure is a polygon, name it as convex or concave.
Whether the opposite sides of a kite must always be unequal or not?
(B) The diagonals bisect each other.
(C) Only one pair of opposite angles is equal.
(D) All the four sides are equal.
Which one of these is false for a kite?
 The diagonals are perpendicular to each other
 The diagonals bisect each other.
 Only one pair of opposite angles is equal.
 All the four sides are equal
Explain the properties of a kite with appropriate diagram.
Ram wants to divide his property among his two sons and one daughter. He consider the property as sum of three angles of triangle and divide them into three equal parts. So, what type of triangle should he consider.
Equilateral
Isosceles
Scalene
Right
 12
 10
 8
 15
 square
 pentagon
 hexagon
Which of the following are definitely regular polygons?
Triangle
Square
Rhombus
Rectangle
What is the sum of the measures of the angels of a convex quadrilateral? Will this property hold if the quadrilateral is not convex? (Make a nonconvex quadrilateral and try!)
 3
 4
 2
 1
How many diagonals does each of the following have?
(i) A convex quadrilateral
(ii) A regular hexagon
(iii) A triangle.
(a) A convex quadrilateral
Fill in the blanks:
A convex quadrilateral cannot have an angle which measures more than ______.
 concave
 irregular
 None of the above
 convex
 900o
 820o
 800o
 780o
 12
 10
 8
 15
Which of the following is not a model for a plane surface?
Top surface of table
Surface of paper
Body of car
None of these
Given here are some figures.
Classify each of them on the basis of the following.
(a) Simple curve (b) Simple closed curve (c) Polygon (d) Convex polygon (e) Concave polygon
(1) (2) (3) (4) (5) (6) (7) (8)
Classify the figure on the basis of the following:

Simple curve

Simple closed curve

Polygon

Convex polygon

Concave polygon
 Not a curve
Convex polygon and concave polygon
Given here are some figures:
Classify each of them on the basis of the following.
(d) Convex polygon
 12
 8
 10
 15
Find the value of 'x' from the figure.
135∘
165∘
90∘
95∘