Answer:
<h2>30 mm</h2>
Step-by-step explanation:
The formula of an area of a circle:

<em>r</em><em> - radius</em>
<em />
We have

Substitute:
<em>divide both sides by π</em>
<em>use π ≈ 3.14</em>

The diameter <em>d = 2r</em>.
Therefore

Answer: x =2 and y= 1
Step-by-step explanation:2(2) + 1(1) =
4 + 1 = 5 which is true
hope this helps
Answer:
x = 5°
Step-by-step explanation:
5x + 21° + 20x + 34° = 180°
25x + 55° = 180°
25x = 180° - 55°
25x = 125°
x = 125°/25
x = 5°
Hope you got it dear !!!!
7.1 is the correct answer
Answer: 2 1/4
Step-by-step explanation: