How many diagonals does each of the following have?
(a) A convex quadrilateral
(b) A regular hexagon
(c) A triangle.

AcademicMathematicsNCERTClass 8

To do:  

We have to find the number of diagonals each of the below shapes have.

(a) A convex quadrilateral
(b) A regular hexagon
(c) A triangle.

Solution:

(a) A convex quadrilateral is shown below.

From the above figure, we can observe that,

A convex quadrilateral has two diagonals.

(b) A regular hexagon is shown below.


From the above figure, we can observe that,

A regular hexagon has nine diagonals.

(c) A triangle is shown below.


From the above figure, we can observe that,

A triangle has no diagonals.

raja
Updated on 10-Oct-2022 13:47:54

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