The sum of the interior angles of the polygon = (n - 2) x 180 .
(n - 2) x 180 = (n x 150)
180n - 360 = 150n
Add 360 to each side:
180n = 150n + 360
Subtract 150n from each side:
30n = 360
Divide each side by 30 :
<u>n = 12</u>
Answer:
A. 17.35 mm³
Step-by-step explanation:
<u>Volume of a Pyramid</u>
V ... volume
B ... area of base
h ... height
The base of this pyramid is a square. Area of a square is side times side.
Let's substitute in the formula.
Now let's round to the nearest hundredth.
V = 17.35 mm³
Answer:
B (parallelogram)
Step-by-step explanation:
Hiiiiiiiiii
Answer:
268.08
Step-by-step explanation:
Explanation:
Consider the case a = -1. Then the expression becomes ...
(-1+1)(-1+1) > (-1-1)(-1-1) . . . . test case
0·0 > (-2)(-2) . . . . . simplified a bit
0 > 4 . . . . . . . . NOT TRUE
_____
If we subtract the right side from both sides, the inequality becomes ...
(a+1)(a+1) -(a-1)(a-1) > 0
a² +2a +1 -(a² -2a +1) > 0
4a > 0
a > 0
The inequality is only true for positive values of "a". For a ≤ 0, the inequality will not be true.
