The formula for interior angle sum is 180(n - 2).
Backtrack it from that.
180(n - 2) = 1980.
1980 / 180 = 11 = n - 2.
11 + 2 = 13 = n.
The polygon has 13 sides.
Answer:
90
Step-by-step explanation:
Answer: 8,100 cm^2
Step-by-step explanation: Area = S^2 so each side is sqrt(900) = 30cm
A square 3 times bigger has sides 30cm*3 = 90cm. The area for that square is 90^2 = 8,100 cm^2
Hello!
Explanation:
First, you had to do is multiply by 3 from both sides of an equation.
And then simplify by equation form. You can also multiply by the numbers.
Answer:
<u><em>*The answer must have a positive sign.*</em></u>
Hope this helps!
Thanks!
-Charlie
Answer: Divide 2 by 6- 0.3 with a bar over the 3, Step-by-step explanation: 0.3 with a bar over the 3 is the decimal form of 2/6