Measures
Lengths
Tangents
Equations of Circles
100
Solve for m\angleBAD
m\angleBAD*2=36
m\angleBAD=18\degree
100
Solve for the missing length
12*7=3*x
x=28
100
Solve for x
2x^2+4=22
x=+-3
100
Write the equation for a circle that has the center (-5,10) and a radius of
\sqrt27
(x+5)^2+(y-10)^2=27
200
Solve for the missing angles. Make sure to label them properly!
m\angleACE=50^\circ
m\angleBCD=140^\circ
200
Solve for the missing angle
10(10+12)=9(9+x)
x=139/9
200
Solve for the perimeter of the triangle.
7+7+4+4+10+10=42
200
From the equation, state the center and the radius:
(x-18)^2+(y+19)^2=25
Center: (18,-19)
Radius: r=5
300
Solve for x
30=1/2(5x+10-3x-4)
x=27^\circ
300
Solve for the radius of the circle
7^2+15.7^2=c^2
r=c=17.2
300
Solve for x which is the radius of the circle.
21^2+x^2=(x+9)^2
441+x^2=x^2+18x+81
360=18x
x=20 in
300
Not on quiz
Using Complete the Square, write the equation of the circle in proper form.
x^2-8x+y^2+12x=7
x^2-8x+16+y^2+12x+36=7+16+36
(x-4)^2+(y+6)^2=59
400
The radius of the circle is 12cm. Leave your answers in terms of \pi
Find the area of the sector with arc \hat(EAC)
Find the arc length of \hat(DB)
Area of
\hat(EAC)=60\picm^2
Arc Length of
\hat(DB)=40/360*2*12=8/3\pi
400
Solve for x
x=1/2(129+71)
x=100