Answer: B
Step-by-step explanation: r≈21.01ft
The 3 angles of a triangle have to add up to 180 degrees. Since we are given 2 of the angles, all we have to do is add them up and then subtract from 180 to get the 3rd.
112 + 41 = 153
180 - 153 = 27
Angle 2 = 27 degrees.
Go to khanacademy.com and there's a lot of instructional tutorials that show you step by step tutorials
<em>The answer you are looking for is: </em>
<em><u>x=5 </u></em>
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2(r-5) = 7(r-9)
2r-10= 7r-63
-5r=-53
r= 53/5 =
