Q12 of 47 Page 202

How many diagonals are there in a hexagon?

No. of diagonals = [n is No. of Sides]


=


= 9

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In a square PQRS, if PQ=(2x+3) and QR=(3x-5) cm then

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The bisectors of two adjacent angles of a parallelogram intersect at

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Each interior angle of a polygon is 135. How many sides does it have?

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Fill in the blanks.

For a convex polygon of n sides, we have:


i. Sum of all exterior angles = ...... .


ii. Sum of all interior angles = ...... .


iii. Number of diagonals = ...... .