Vocabulary
An angle that has the center of the circle as its vertex.
What is central angle
What formula is b2-4ac for?
What is discriminant
Solve x2-169=0
What is +13,-13
Find the discriminant of the equation
x2-11x-6=0
What is 145
What figure has no angles
What is a circle
Which way of triangle congruency is only for right angles?
What is hypotenuse leg
In quadratics what does the equation ax2+bx+c=0 represent?
What is standard form
Solve x2-24=30
What is +8,-8
What is 31(pi)/9 in degrees?
What is 620 degrees
What does C.P.C.T.C stand for?
What is corresponding parts of congruent triangles are congruent
What principle states the volumes of two objects with the same height are equal if the area of their cross sections are equal?
What is Cavalieri's principle
What figure has the volume formula 1/3Bh?
What is a pyramid
Find the measurement of a missing angle if the other 2 angles each measure 60 degrees.
What is 60 degrees
The difference of the square of 19 and the square of 16.
What is 105
If a discriminant is a positive number, how many solutions does it have?
What is 2 real roots
______ tells how many and what type of solution(s) a quadratic has
What is discriminant
What formula is x/360*(3.14)r2 for?
What is sector area
True or False. Half of a circle is a major arc.
What is false
Find the sector area of a circle with a central angle of 137 and a diameter of 10
What is 59.8
What part of a pizza is arc length?
What is the crust
The circle surrounding a polygon that contains all of the vertices of the polygon.
What is circumscribed circle
x=-b=+/-(b2-4ac)/2a is the formula for?
What is quadratics
If a line tangent to a circle has a length of 21 and the radius has a length of 20, what is the length of the hypotenuse?
What is 29
Find the circumference of a circle that has a diameter of 2 times 33
HINT: C=(pi)d or C=2(pi)r
What is 169.6
Which geometric figure has a formula for lateral area?
What is a cone