We can use two different methods to find our missing angle:
Subtract the two known angles from 180° :
Plug the two angles into the formula and use algebra: a + b + c = 180°
Answer:
perimeter is the outside, so count around the outside for the answer, which is 18
the area is correct though so good job
good luck :)
Every 12th box gets a whistle and a ball because 12 is the lowest common factor of 6 and 4.
Answer:
circle 2 and 3 if I am correct
The answer is B. h=<span>V<span>2π<span>r<span>2</span></span></span></span>