What is the formula for the area of a triangle?
1/2 base x height
A line that goes from one side of a circle to the other side of a circle.
What is a Chord?
What does the (h,k) and r stand for in the circle equation?
(h,k) is the center r is the radius
What is a right angle?
An angle that is 90 degrees
Name These two rays.
Ray HG
Ray AB
What is the formula for the area of a circle?
3.14 x r2
The radius does this to a chord when they are perpendicular.
What is bisect?
What is the difference between a tangent and a secant of a circle?
A tangent hits the outer edge and the secant goes through the circle.
What is a straight angle?
An angle that is 180 degrees
What does SOHCAHTOA stand for
Sine, Opposite, Hypotenuse, Cosine, Adjacent, Hypotenuse Tangent, Opposite, Adjacent
What is the formula for graphing a circle?
(x-h)2 + (y-k)2=r2
The size of the angle between a radius and a chord, when the chord is bisected.
What is ninety degrees?
What is the geometry of a circle?
The distance around the boundary of a circle is called the circumference
Two angles that share a side and vertex
What are the six ways a triangle can be classified
Scalene, Equilateral, Isosceles, Obtuse, Acute, Equiangular
What is the formula for finding the endpoint?
M = .(x2 + Y2)
2
A chord that is ninety degrees to a tangent is also known as this.
What is a diameter?
A tool used for measuring angles?
What is a protractor?
What are complementary angles?
-Two angles whose sum is 90 degrees
-Together they make a right angle
Which are the two that can't make a pair of triangle congruent
SSS,AAA,SAS,ASA,SSA,AAS
AA and SSA
What is the formula for Arc Length?
x x circumference
360
If you were to draw two different chords and bisect them, the two bisectors would intersect at this point.
What is the center (origin) of the circle?
What are the 7 main theorems of a circle?
Alternate segment circle theorem
Angle at the centre circle theorem
Angles in the same segment circle theorem
Angle in a semi circle theorem
Chord circle theorem
Tangent circle theorem
Cyclic quadrilateral circle theorem
What are supplementary angles?
-Together they make a straight angle
Bubba cloudt recently changed out one toothpick for another. The original toothpick was 3 inches long.The new toothpick is 4 inches long. How many more centimeters is the new toothpick compared to the old one.
2.54 cm more