Vocabulary Spheres The Pythagorean theorem Chapter 2 Logic Circles
100
What is a convex polygon?
A convex polygon has no diagonal with points outside the polygon
100
How do you find the volume of a sphere?
Volume= 4 times pi times the radius cubed divided by 3
100
When trying to find a leg what must you do?
Subtract the squares
100
What is the law of detachment outline ?
P then q
P is true (must add if part)
So q is true
100
The formula pi r squared is the formula to find what?
Area of the circle
200
What is a concave polygon?
A concave polygon has at least one diagonal with points outside the polygon
200
Find the surface area of a sphere with a diameter of 14 centimeters (leave final answer in terms of pi)
SA= 196pi centimeters squared
200
How do you find the hypotenuse?
Add the squares of the other legs and square root.
200
Write the converse of "if I go to the beach then I'll go swimming"
If I go swimming then I'll go to the beach
200
How do you find the circumference?
Pie D
300
_______ angles lie on the same side of the transversal.
Corresponding
300
Find the volume of a sphere with a diameter of 6.3 inches (leave finaly answer in terms of pi)
Volume= 41.6745pi inches cubed
300
Use the Pythagorean theorem to find the missing side on the triangle. One leg is 42 cm and the other leg is 31cm. round to the nearest tenth
52.2 cm squared
300
Write the contrapositive of "If I go to practice, then I'll be tired"
"If I'm not tired, then I didn't go to practice"
300
What is the diameter?
Two times the radius.
400
Definition of a ray
A ray is the part of the line consisting of the endpoint and all the points of the line on one side of the endpoint
400
Find the missing leg in the triangle when the hypotenuse is 112m and one leg is 72m. Round to the nearest tenth
The leg is about 85.8 meters squared
400
Write the inverse of "If I do my homework, then I wont fail."
"If I don't do my homework, then I will fail."
400
Find the area of a circle that has a diameter of 824 inches round to the nearest tenth
533,266.6 inches squared
500
A __________ is a quadrilateral with two pairs of parallel sides and you can chose any side to be the base.
Parellelagram
500
Jenny was shooting hoops one day when she began to wonder about all the different dimensions of a basketball. She began a new project and her mom told her she should find the volume of it. Jenny had already figured out that the radius of the basketball wa
Volume is about 413.1 inches cubed
500
Brayden is leaving school to go home. He must walk 5 blocks North and then 12 blocks East to get home. How far away is Brayden from his house if he is still at the school?
13 blocks away from home.
500
What are the first two steps to an indirect proof?
1. Assume the opposite of what you're trying to prove
2. Show that this assumption leads to a contradiction of the given or a contradiction of something else which is actually true
500
A Ferris wheel at the fair has a radius of 65 feet. What is the circumference of the ferris wheel? round to the nearest tenth
408.4 feet squared






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