circles
Definition of a Radius
a straight line from the center to the circumference of a circle or sphere.
P lies in the interior of RST. mRSP=40˚ and mTSP=10˚. mRST=
50˚
Given the coordinates A(0,3), B(5,-3) and C(-2,-2). State the new coordinates after translating them up 2 units and to the left 3 units
A(-3,5), B(2,-1), and C(-5,0)
The Diameter of this circle is 5
2.5
The radius of this is 5
10
A line segment whose endpoints both lie on the circle
chord
P and Q are complementary. mP=3x+7 and mQ=x+3. x=_____
20
Given the coordinates A(1,4), B(3,-3) and C(-4,-2). State the new coordinates after rotating 180˚
A(-1,-4), B(-3,3) and C(4,2)
The diameter is 12
6
The radius of this circle is 2.5
5
Given a diameter of 9cm, find the radius
4.5cm
P and Q are supplementary. mP=5x+3 and mQ=x+3. x=_____
x=29
Given the coordinates A(0,3), B(5,-3) and C(-2,-2). State the new coordinates after Reflecting over y-axis
A(0,3), B(-5,-3) and C(2,-2)
The diameter of this circle is 37
18.5
The circumference of this circle is 15.7
5
The part of the circle that is double the radius
a diameter
Ray QS bisects PQR. If mPQS=3x and mRQS=2x+6, then mPQR=____.
x=36
Reflect Q’R’S’ if Q’(1,-3), R’(-2,-6), and S’(-1,-1) over the x-axis
Q( 1,3) S(1,1) R(-2,6)
The diameter of this circle is 437
218.5
The circumference of this circle is 18.84
6
Given the circle with Radius (2x+5)meters, state the area
(4x2+20x+25)pie
the midpoint formula
(2x1+x2,2y1+y2)
Given the coordinates A(1,3), B(5,-3) and C(-2,-2). State the new coordinates after Rotating 90˚clockwise
A(3,-1), B(-3,-5) and C(-2,2)
The diameter of this circle is 0.325
0.1625
The diameter of this circle is 194.68
62