2. Find the number of sides of a polygon if the
sum of the interior angles is
a) 10 right angles b) 720
c) 1620°
d) 540
Answers
Answered by
20
Answer:
a)7
b)6
c)11
d)5
Step-by-step explanation:
Sum of interior angles of a polygon of 'n' sides is given by (n-2)*180°.
a) (n-2)*180= 10*90=900
n-2=5
n=7
b) (n-2)*180=720
n-2=4.
n=6
c) (n-2)*180=1620
n-2= 9
n=11.
d) (n-2)*180=540
n-2=3
n=5.
Similar questions