Sum of Angles of a Polygon

Q. Find the number of sides of a polygon, if the sum of its interior angles is ${1620}^{\circ }$

1. 11
2. 9
3. 10
4. 12

Q.

The sum of interior angles of a quadrilateral is ___ degrees.

Q.

If the interior angle of a regular polygon is equal to its exterior angle, then the polygon has _____ sides.

1. 5

2. 6

3. 7

4. 4

Q.

Sum of interior angles of a polygon of n sides = _____.

1. (2n - 4) × 90°

2. (2n - 1) × 90°

3. (2n - 2) × 90°

4. (4n - 2) × 90°

Q.

If the sum of the interior angles of a polygon is two times the sum of its exterior angles, then the polygon has ___ sides.

1. 7

2. 6

3. 5

4. 8

Q.

If each interior angle of a regular polygon is 120°, then it has ___ sides.

1. 11

2. 12

3. 6

4. 9

Q.

If each interior angle of a regular polygon is 150°, then it has _____ sides.

1. 12

2. 11

3. 10

4. 9

Q.

If the interior angle of a regular polygon is 160°, then it has ____ sides.

1. 36

2. 24

3. 18

4. 16

Q.

If the sum of interior angles of a polygon is 900°, then the it is a ___.

1. 
2. 
3. 
4. 

Q.

If the angles of a quadrilateral are in the ratio 3:4:6:7, then the quadrilateral is a___.

1. Angles A & B

2. Angles B & C

3. Angles A & C

4. Angles C & D