Answer:
12
Step-by-step explanation:
4x+12+10x=180
14x+12=180
14x=168
x=12
There is two hundred and four (204) on a standard chessboard.
Answer:
awnser is ____
Step-by-step explanation:
Answer:
half of 20 is 10
10 is your new radius so
10^2 = 100
100 x 3.14 = 314
Now we multiply by the height:
314 x 11 = 3,454 cm^3
Your answer is 95°. This is because angles on a straight line add to 180, so we can subtract 120 from 180 and get 60° as angle 3.
Angles in a triangle also add to 180°, so we can add 60 and 35 to get 95°, and then subtract 95 from 180 to get 85° as angle 1.
Finally you use the angles on a straight line rule and subtract 85 from 180 to get angle 5 as 95°
I hope this helps!