Answer:
50.24 units^2
Step-by-step explanation:
Area of circle formula:
r^2
r = 4,
= 3.14
3.14 * (4^2) = 3.14 * 16 = 50.24
your missing some number to do the process
the first question you add all the sides
Answer:
The answer is 3x-27
Step-by-step explanation:
If the angles are vertical from each other it means they are congruent. 2x+30 is 63, you plug in the x, 2(30)+30. You do that to the second one and also get 63, 3(30)-27. Therefore 3x-21 is the answer.