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we want area =circumference*something
dividing our first equation by 2*pi

substituting in the second equation

simplifying

Answer:
3
Step-by-step explanation:
X = 72 because this is an isosceles triangle
Answer:
x = -5, 7
Step-by-step explanation:
Step 1: Write equation
x² - 2x - 35 = 0
Step 2: Solve for <em>x</em>
<u>Factor:</u> (x - 7)(x + 5) = 0
<u>Find roots:</u> x = -5, 7
Step 3: Check
<em>Plug in x to verify if it's a solution.</em>
(-5)² - 2(-5) - 35 = 0
25 + 10 - 35 = 0
35 - 35 = 0
0 = 0
7² - 2(7) - 35 = 0
49 - 14 - 35 = 0
35 - 35 = 0
0 = 0