Answer:
8
Step-by-step explanation:
- An Equilateral Triangle (3 sides) has 3 Lines of Symmetry
- A Regular Pentagon (5 sides) has 5 Lines of Symmetry
- A Regular Hexagon (6 sides) has 6 Lines of Symmetry
- A Regular Heptagon (7 sides) has 7 Lines of Symmetry
- A Regular Octagon (8 sides) has 8 Lines of Symmetry
The formula for the sum<span> of the interior </span>angles of a polygon<span> is equal to (n-2)*180. the </span>polygon<span> has </span>12<span>sides, so the </span>sum<span> of the interior </span>angles<span> of the </span>polygonis equal to (12<span>-2)*180 = 10*180 = 1800 degrees.</span>
20 is the answer to the question you asked.
Answer:
50% increase
Step-by-step explanation:
% change = (new value-initial value)/initial value x 100
= (150-100)/100 x 100 = 50%