Answer:42
Step-by-step explanation:
11+8=19+11=30+12=42
Answer:
b.
42+x+90+8=180° linear pair
x=180-140=40°
<em>x=40°</em>
c.
10+x+90+3x=180 linear pair
4x=180-100
x=80/4=20
<em><u>x=20</u></em>°
Answer:
-2
is equal -2.75 as a decimal
Step-by-step explanation:
to take -2
to decimal, we take -2 and put point behind it. by doing so,
becomes 300/4=75
Then we have -2.75
Answer:
540 degrees
Step-by-step explanation:
The formula to find the sum of interior angles in any polygon is the following:

Where (n) represents the number of sides in the polygon. In this case, the polygon has (5) sides, therefore substitute (5) in place of (n) and solve;

Answer:
Step-by-step explanation:
Solved using excel
If you were supposed to use a normal table to solve leave a comment
0.0520812794152196