Table of Contents
Explain in Detail :Plane Surface
A plane surface is a surface that extends infinitely in all directions. A plane is a two-dimensional surface that has no thickness.
Plane Curve
A plane curve is a curve that lies in a plane.
Polygons
A polygon is a closed figure that is made up of straight lines. A polygon has at least three sides.
A polygon has at least three sides. A polygon has at least four sides. A polygon has at least five sides. A polygon has at least six sides. A polygon has at least seven sides. A polygon has at least eight sides. A polygon has at least nine sides. A polygon has at least ten sides.
Understanding Quadrilaterals Class 8 Exercise 3.2
Question 1:
Name the quadrilaterals.
A. A square
B. A rectangle
C. A parallelogram
D. A trapezium
E. A kite
A. Square, rectangle, parallelogram, trapezium, kite
Question 2:
State the properties of a square.
A square has four equal sides and four right angles.
Concave and Convex Polygons
A concave polygon is a polygon in which at least one interior angle is greater than 180 degrees. A convex polygon is a polygon in which no interior angle is greater than 180 degrees.
