EASY
8th CBSE
IMPORTANT
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A quadrilateral has three acute angles each measures 80°. If the measure of the fourth angle is x° then find x.

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Important Questions on Understanding Shapes-II (Quadrilaterals)

EASY
8th CBSE
IMPORTANT
Mathematics for Class 8>Chapter 16 - Understanding Shapes-II (Quadrilaterals)>EXERCISE>Q 14
The sides of a quadrilateral are produced in order. What is the sum of the four exterior angles?
EASY
8th CBSE
IMPORTANT
Mathematics for Class 8>Chapter 16 - Understanding Shapes-II (Quadrilaterals)>EXERCISE>Q 18
Find the number of sides of a regular polygon, when each of its angles has a measure of 160°.
EASY
8th CBSE
IMPORTANT
Mathematics for Class 8>Chapter 16 - Understanding Shapes-II (Quadrilaterals)>EXERCISE>Q 18
Find the number of sides of a regular polygon, when each of its angles has a measure of 175°.
EASY
8th CBSE
IMPORTANT
Mathematics for Class 8>Chapter 16 - Understanding Shapes-II (Quadrilaterals)>EXERCISE>Q 18
Find the number of sides of a regular polygon, when each of its angles has a measure of 162°.
EASY
8th CBSE
IMPORTANT
Mathematics for Class 8>Chapter 16 - Understanding Shapes-II (Quadrilaterals)>EXERCISE>Q 18
Find the number of sides of a regular polygon, when each of its angles has a measure of 150°.
EASY
8th CBSE
IMPORTANT
Mathematics for Class 8>Chapter 16 - Understanding Shapes-II (Quadrilaterals)>EXERCISE>Q 19
Find the number of degrees in each exterior angle of a regular pentagon.
EASY
8th CBSE
IMPORTANT
Mathematics for Class 8>Chapter 16 - Understanding Shapes-II (Quadrilaterals)>EXERCISE>Q 20
The measure of angles of a hexagon are x°, (x-5)°, (x-5)°, (2x-5)°, (2x-5)°, (2x+20)°. Find the value of x.
EASY
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.