The value of x is 15.56.
Solution:
Tangent and Secant theorem:
If one secant and one tangent are drawn to a circle from one exterior point, then the square of the length of the tangent is equal to the product of the external secant segment and the total length of the secant.
BE = 22 BD = x, CD = x
BC = x + x = 2x
By the tangent and secant theorem,
![BE^2=BD \cdot BC](https://tex.z-dn.net/?f=BE%5E2%3DBD%20%5Ccdot%20BC)
![22^2=x \cdot 2x](https://tex.z-dn.net/?f=22%5E2%3Dx%20%5Ccdot%202x)
![484= 2x^2](https://tex.z-dn.net/?f=484%3D%202x%5E2)
Divide by 2 on both sides of the equation, we get
![242=x^2](https://tex.z-dn.net/?f=242%3Dx%5E2)
Take square root on both side of the equation.
x = 15.56
Hence the value of x is 15.56.
Answer:
to know the summation of angles: (n-2)*180
here (n) represent numbers of sides
12)we have 5 sides (n=5)
(5-2)*180=540
x=540-(105+135+92+87)=121
13)we have 8 sides (n=8)
(8-2)*180=1080
x=1080-(116+158+141+124+136+132+129)=144
I hope it will help
Answer:
23
Step-by-step explanation:
put the numbers in numerical order and then cross off on both sides until there is only one number left (look at the process below!)
9,14,16,18,23,25,26,26,30
14,16,18,23,25,26,26
16,18,23,25,26
18,23,25
23
I believe the answer is -2
The point slope form is y-9=-1/4(x+2)