24. Classification and Tabulation of Data Graphical depiction Of Data together Histograms

25. Photographic Representation the Data together Pie Charts Or one Graphs

26. Data taking care of Probability

27. Arrival To Graphs

EXERCISES

1. Expertise Shapes Polygons practice 15.1

How countless diagonals does each of the following have?

(ii)A continuous hexagon

(iii)A triangle

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For a convex quadrilateral us shall usage the formula n(n-3)/2

So, number of diagonals = 4(4-3)/2 = 4/2 = 2

A convex quadrilateral has actually 2 diagonals

(ii)A consistent hexagon

For a continual hexagon us shall use the formula n(n-3)/2

So, number of diagonals = 6(6-3)/2 = 18/2 = 9

A consistent hexagon has 9 diagonals.

You are watching: How many diagonals does a hexagon have

(iii) A triangle

For a triangle us shall usage the formula n(n-3)/2

So, number of diagonals = 3(3-3)/2 = 0/2 = 0

A triangle has no diagonals.

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mathematics

Chapters in Mathematics class 8th RD Sharma

Rational Numbers

Powers

Squares and Square Roots

Cube and Cube Roots

Playing with Numbers

Algebraic Expressions and also Identities

Factorization

Division of Algebraic Expressions

Linear Equation in One Variable

Direct and also Inverse Variations

Time and Work

Percentage

Profit loss Discount and Value included Tax

Compound Interest

Understanding shapes Polygons

Practical Goemetry

Visualising Shapes

Area that Trapezium and also Polygon

Volume surface Area Cuboid Cube

Surface Area and also Volume of ideal Circular Cylinder

Classification and also Tabulation the Data

Classification and also Tabulation that Data Graphical representation Of Data together Histograms

Pictorial depiction Of Data together Pie Charts Or circle Graphs

Data taking care of Probability

Introduction to Graphs

Exercises in understanding Shapes Polygons
Understanding shapes Polygons exercise 15.1
inquiry 6

How countless diagonals does every of the following have?

(ii)A continuous hexagon

(iii)A triangle

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publication a free class currently

For a convex quadrilateral us shall usage the formula n(n-3)/2

So, variety of diagonals = 4(4-3)/2 = 4/2 = 2

A convex quadrilateral has actually 2 diagonals

(ii)A constant hexagon

For a continuous hexagon us shall use the formula n(n-3)/2

So, variety of diagonals = 6(6-3)/2 = 18/2 = 9

A consistent hexagon has actually 9 diagonals.

(iii) A triangle

For a triangle us shall usage the formula n(n-3)/2

So, variety of diagonals = 3(3-3)/2 = 0/2 = 0

A triangle has no diagonals.

See more: How Many Axles Are On A Car, How Many Axles Does A Car Have

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