Answer:
48
Step-by-step explanation:
66*2=132
180-132=48
Hope this helps!
If not, I am sorry.
Answer:
In a triangle, sides opposite of congruent angles are congruent.
Answer:
The y intercept formula is
y= mx+b
m= slope
b= the number when the line crosses the y axis
![x=y^2+4y\\ y^2+4y-x=0\\\Delta=4^2-4\cdot1\cdot(-x)=16+4x\\\\ 1.\ \Delta0\\ \sqrt{\Delta}=\sqrt{16+4x}=\sqrt{4(4+x)}=2\sqrt{x+4}\\ y_1=\frac{-4-2\sqrt{x+4}}{2\cdot1}=-2-\sqrt{x+4}\\ y_2=\frac{-4+2\sqrt{x+4}}{2\cdot1}=-2+\sqrt{x+4}\\](https://tex.z-dn.net/?f=%20x%3Dy%5E2%2B4y%5C%5C%20y%5E2%2B4y-x%3D0%5C%5C%5CDelta%3D4%5E2-4%5Ccdot1%5Ccdot%28-x%29%3D16%2B4x%5C%5C%5C%5C%0A1.%5C%20%5CDelta%3C0%20%5CRightarrow%20y%5Cin%5Cemptyset%5C%5C%5C%5C%0A2.%20%5C%20%5CDelta%3D0%5C%5C%0Ay%3D-%5Cfrac%7B4%7D%7B2%5Ccdot1%7D%3D-2%5C%5C%5C%5C%0A3.%5C%20%5CDelta%3E0%5C%5C%0A%5Csqrt%7B%5CDelta%7D%3D%5Csqrt%7B16%2B4x%7D%3D%5Csqrt%7B4%284%2Bx%29%7D%3D2%5Csqrt%7Bx%2B4%7D%5C%5C%0Ay_1%3D%5Cfrac%7B-4-2%5Csqrt%7Bx%2B4%7D%7D%7B2%5Ccdot1%7D%3D-2-%5Csqrt%7Bx%2B4%7D%5C%5C%0Ay_2%3D%5Cfrac%7B-4%2B2%5Csqrt%7Bx%2B4%7D%7D%7B2%5Ccdot1%7D%3D-2%2B%5Csqrt%7Bx%2B4%7D%5C%5C)
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