[2 Mark Question Answer]

Questions

🎯

4 questions · timed · auto-graded

Question 12 Marks

Find number of side in a regular polygon, if it exterior angle is $: 36$

Answer

Let no. of. sides $=n$
$\therefore \frac{360^{\circ}}{n}=36^{\circ}$
$n=\frac{360^{\circ}}{36^{\circ}}$
$n=10$

Question 22 Marks

Find a number of side in a regular polygon, if it exterior angle is $: 30^\circ.$

Answer

Let number of sides $=n$
$\therefore \frac{360^{\circ}}{n}=30^{\circ}$
$n=\frac{360^{\circ}}{30^{\circ}}$
$n=12$

Question 32 Marks

Find the sum of interior angle of a polygon with: 13 sides

Answer

13 sides
No. of sides n = 13
∴ Sum of interior angles of polygon = (2n – 4) x 90°
= (2 x 13 – 4) x 90° = 1980°

Question 42 Marks

Find the sum of interior angle of a polygon with: 9 sides

Answer

9 sides
No. of sides n = 9
∴ Sum of interior angles of polygon = (2n – 4) x 90°
= (2 x 9 – 4) x 90°
= 14 x 90°= 1260°

[2 Mark Question Answer] - MATHS STD 6 Questions - Vidyadip

MATHS [2 Mark Question Answer]