Answer:
13-gon
Step-by-step explanation:
The sum of the interior angles of a polygon with n sides is:
S = 180° (n − 2)
If S = 1980°, then:
1980° = 180° (n − 2)
11 = n − 2
n = 13
Answer:
Option A is the correct answer.
Explanation:
There are 6 packages that store 30 baseball cards.
Number of cards in 1 package = 30/6 = 5
Let us consider a as number of packages and b as number of cards.
We have equation for number of cards,
b = 5 a
The constant of proportionality = 5
Option A is the correct answer.
Answer:
40
Step-by-step explanation:
Answer:
0.29
Step-by-step explanation:
7.19-6.9