Step-by-step explanation:
k = 72
x= -81
..............
Answer:

Step-by-step explanation:

<em>OR</em>

Information on trigonometric ratios

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Answer:
19.
Step-by-step explanation:
PEMDAS.
3^2=9
5 x 2 + 9
10 + 9 = 19
- Step-by-step explanation:
- x = 120
- x= 65
- x= 24
4. x= 40
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Given that the triangle is isosceles, we can say that AB = AC. Using the given expressions we can form the following equation.

Let's solve for x.

Once we have the value of the variable, we can find the length of AC.

<h2>Therefore, the length of AC is 43.</h2>