EASY
8th CBSE
IMPORTANT
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If the diagonals of a quadrilateral bisect each other at right angles, then it is a

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Important Questions on Understanding Shapes

EASY
8th CBSE
IMPORTANT
'I Did It' Mathematics>Chapter 8 - Understanding Shapes>Worksheet>Q 3
If all the angles of a quadrilateral are equal, find the measure of each angle. What special name can you give to this quadrilateral?
MEDIUM
8th CBSE
IMPORTANT
'I Did It' Mathematics>Chapter 8 - Understanding Shapes>Worksheet>Q 4
The measure of one angle of a parallelogram is 63°. Find the measure of the remaining three angles.
HARD
8th CBSE
IMPORTANT
'I Did It' Mathematics>Chapter 8 - Understanding Shapes>Worksheet>Q 6
The ratio of adjacent sides of a parallelogram is 2:3. Find the length of each side if its perimeter is 80 cm.
MEDIUM
8th CBSE
IMPORTANT
'I Did It' Mathematics>Chapter 8 - Understanding Shapes>Worksheet>Q 10
Find the number of sides of a regular polygon if the sum of all its interior angles 4500°.
HARD
8th CBSE
IMPORTANT
'I Did It' Mathematics>Chapter 8 - Understanding Shapes>Worksheet>Q 11
Three angles of a quadrilateral are in the ratio 2:4:5. The sum of the least and the greatest of these angles is 140°. Find all the four angles of the quadrilateral.
HARD
8th CBSE
IMPORTANT
'I Did It' Mathematics>Chapter 8 - Understanding Shapes>Worksheet>Q 12
The length of a rectangle is 7 cm more than its breadth and its perimeter is 46 cm. Find the length of its diagonal.