Mathematics for Class 8>Chapter 16 - Understanding Shapes-II (Quadrilaterals)>EXERCISE>Q 20

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8th CBSE

IMPORTANT

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The measure of angles of a hexagon are $x °, (x - 5) °, (x - 5) °, (2 x - 5) °, (2 x - 5) °, (2 x + 20) °$ . Find the value of $x$ .

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Important Questions on Understanding Shapes-II (Quadrilaterals)

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8th CBSE

IMPORTANT

Mathematics for Class 8>Chapter 16 - Understanding Shapes-II (Quadrilaterals)>EXERCISE>Q 21

In a convex hexagon, prove that the sum of all interior angle is equal to twice the sum of its exterior angles formed by producing the sides in the same order.

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Mathematics for Class 8>Chapter 16 - Understanding Shapes-II (Quadrilaterals)>EXERCISE>Q 22

The sum of the interior angles of a polygon is three times the sum of its exterior angles. Determine the number of sides of the polygon.

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Mathematics for Class 8>Chapter 16 - Understanding Shapes-II (Quadrilaterals)>EXERCISE>Q 23

Determine the number of sides of a polygon whose exterior and interior angles are in the ratio

1 : 5

.

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8th CBSE

IMPORTANT

Mathematics for Class 8>Chapter 16 - Understanding Shapes-II (Quadrilaterals)>EXERCISE>Q 24

PQRSTU

is a regular hexagon. Determine each angle of

△ PQT

.