Notice y° and y° and 50°, are all three angles in a flat-line, namely "linear angles", and since a flat-line is always 180°.
Answer:
Step-by-step explanation:
6x
Answer:
1 shirt for every 6 hours
Step-by-step explanation:
42/7=6
Answer:
-13
Step-by-step explanation:
x+4=-9
-4 -4
x= -13
If you did 9+4 you'd get 13. But instead its negative because x is negative.
The vertex angle of any triangle of the dodecagon formed by radii and a side is 360/12=30º.
The half-length of the base of the triangle is sin15=0.2588 approx.
Since there are 12 sides there are 24 half-sides in the perimeter=6.2117.
