Geometry

Lines/Angles/Triangles

200

two lines that are the same distance apart and will never touch

What is parallel lines

400

A triangle with two sides that are the same length

Isosceles triangle

600

What is the sum of the interior angles of a triangle?

180 degrees

800

Linear pairs are what?

Supplementary, they add to 180 degrees

They also form a straight line

1000

A right triangle has two legs that are 3 inches and 4 inches long each. What is the hypotenuse?

5

3² + 4² = c²

9+16=c²

25=c²

5=c

Quadrilaterals

200

How many sides does a trapezoid have?

4, duh its a quadrilateral

400

What is the sum of the interior angles of a quadrilateral?

360 degrees

(n-2)x180

600

This is a quadrilateral with two pairs of opposite sides parallel and 4 right angles

Rectangle

800

Name 3 properties of squares

1) All sides congruent

2) All angles are right angles

3) Diagonals are congruent

4) Diagonals are perpendicular bisectors

1000

One angle in a parallelogram is 40 degrees. What is the measure of the angle opposite to it?

140 degrees

Opposite angles of parallelograms are Supplementary, they add to 180 degrees

Circles

200

What is the formula for area of a circle?

pi x radius²

400

The distance around a circle is called...

Circumference

600

An specific region of a circle is called....

Sector

800

How many degrees is a major arc?

Any measure over 180 degrees.

1000

What is the area of a circle with diameter 10 inches

25pi or 78.5 inches²

Area = pi x radius²

radius = 5 because diameter was 10

Miscellaneous

200

SOH-CAH-TOA stands for?

Sine = opp/hyp

Cosine = adj/hyp

Tangent = opp/adj

400

A shape with 10 sides is called...

What is a decagon

600

Factor x² + 8x + 16

(x+4)(x+4)

800

A bag contains 4 red marbles, 6 blue marbles, and 5 green marbles. 

You draw two marbles without putting them back. One is red and the other is blue. 

What is the probability the third marble you pick is blue?

5/13

15 balls total, 2 were picked, so 13 remain

1 was red and 1 was blue, so there are 5 blue remaining

1000

A baseball bat and a ball cost $110 in total. The bat costs $100 more than the ball.
How much does the ball cost?

$5

Trivia

200

Largest state in the continental US

Alaska

Still part of the continent of North America, duhhhh

400

What is the only surviving ancient wonder of the world?

Great Pyramid of Giza, Egypt

600

What is the SECOND longest river in the world?

Amazon River

800

Who is the narrator in the novel The Catcher in the Rye?

Holden Caulfield

1000

What are the 6 most essential chemical elements that make up almost all life on Earth?

CHNOPS

Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus, Sulfur