Vocabulary
The _______ of a circle is a the point exactly in the middle of the circle
Center
Formula: S=(4πr²)
What is Surface area of a sphere
if the arc of a central angle is 35 degrees. What is the measure of the angle?
35 degrees
if a sphere has a radius of 3, What is the surface area
115.47
What room number are we in?
Room 8
Circumference
What is The ____________ of a circle is the distance around the circle
Area of a Circle
What is A= πr²
if the arc of a central angle is 65 degrees. What is the measure of the angle?
65 degrees
the surface area with a diameter of 12 is ____
472.55
Who is the Vice President of the US?
Mike Pence
mathematical term for a half of a sphere
Hemisphere
Formula: A= 2πr
What is Circumference of a circle
the radius of a circle is 23.5, the Diameter of the circle is ______
47
what is the surface area of a sphere with the diameter of 18 ?
9,160.88
How long is each class period on a normal day?
54 minutes
mathematical term for a half of a circle
What is a Semicircle
Surface area of a sphere
What is S=4/3 • π • r³
if a circle has a minor arc of 50, what is the major arc ?
310
what is the surface area of a sphere with the radius of 7.5 ?
706.85
What other 2 teachers in this school teach 8th grade math?
Ms. James and Ms. Iniguez
a(n) ___________ is an unbroken part of a circle
Arc
Volume of a shpere
4/3 (pi) (r)(r)(r)
if a circle has a minor arc of 67, what is the major arc ?
113
the formula for suface area and volume of a sphere
What is 4/3πr^3, 4πr²
What is the street address of Marina del Rey Middle School?
12500 Braddock Drive