Mathematics 7>Chapter 12 - Quadrilaterals>Try This

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7th Andhra Pradesh Board

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Consider a concave quadrilateral $ABCD$ . What is the sum of interior angles of a concave quadrilateral? Write the answer in degree $(°)$ .

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Important Questions on Quadrilaterals

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7th Andhra Pradesh Board

IMPORTANT

Mathematics 7>Chapter 12 - Quadrilaterals>Exercise>Q 1

In quadrilateral $P Q R S$ , name the sides, angles, vertices and diagonals.

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7th Andhra Pradesh Board

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Mathematics 7>Chapter 12 - Quadrilaterals>Exercise>Q 1

In quadrilateral $P Q R S$ , name all the pairs of adjacent sides, adjacent angles, opposite sides and opposite angles.

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7th Andhra Pradesh Board

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Mathematics 7>Chapter 12 - Quadrilaterals>Exercise>Q 2

The three angles of a quadrilateral are

60 °, 80 °

and

120 °

. If the fourth angle is

k °

, find

k

.

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7th Andhra Pradesh Board

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Mathematics 7>Chapter 12 - Quadrilaterals>Exercise>Q 3

The angles of the quadrilateral are in the ratio

2 : 3 : 4 : 6

. Find the measure of each of the four angles.

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7th Andhra Pradesh Board

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Mathematics 7>Chapter 12 - Quadrilaterals>Exercise>Q 4

The four angles of the quadrilateral are equal. Find each of them.

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7th Andhra Pradesh Board

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Mathematics 7>Chapter 12 - Quadrilaterals>Exercise>Q 5

In a quadrilateral, the angles are

x °, (x + 10) °, (x + 20) °, (x + 30) °

. Find them.

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7th Andhra Pradesh Board

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Mathematics 7>Chapter 12 - Quadrilaterals>Exercise>Q 6

The angles of a quadrilateral cannot be in the ratio $1 : 2 : 3 : 6$ . Why? Give reasons.

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7th Andhra Pradesh Board

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Mathematics 7>Chapter 12 - Quadrilaterals>Exercise 7

Check the following are trapeziums or not? Why?

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