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MY GMAT > Geometry > Flashcards

Geometry Flashcards

1
Q

What is the area for a Circle?

A
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2
Q

What is the Circumference of a Circle?

A
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3
Q

Inscribed Angle

A

An inscribed angle is one in which the two lines forming the angle intersect exactly on a circle. the measure of the intercepted arc is exactly twice the meseare of the inscribed angle

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4
Q

What is Chord?

A

A line segment that connects two points on the circumfeence of the circle.

It can be the diameter

(e.g. Chod AC)

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5
Q

What is a central Angle?

A

a central angle is one in which the two lines forming the angle intersect exactly at the center (c) of a circle. The measure of the intercepted acr is exactly the same as the measure of the central angle.

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6
Q

Sector

vs.

Segment

vs.

Acr

A
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7
Q

Circle Ratios

A

Central Angle/360 = Sector Area/Circle Area = Mirror acr/Circumference

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8
Q

What is a Tangent?

A

A tangent is a straight line that touches a curve at a point. It is perpendicular to the radius of a circle.

It forms a 90 degree angle

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9
Q

What is the volume of Cylnder?

A
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10
Q

What is the volume for a Box

A
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11
Q

What is the surface for a box?

A
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12
Q

What is the surface of Cube?

A
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13
Q

What is the volume of a Cube?

A
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14
Q

What is the longest rod you can fit inside a box?

Formula

A

(Longest rod)2 = L2 + W2 + H2

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15
Q

Right Triangle

A

Has a 90-degree “right” Angle

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16
Q

What is Isosceles Triangle

A
  • Has two equal sides
  • The angles opposite the equal sides are equal
17
Q

What is an Equilateral Triangle?

A
  • All three sides are equal
  • All three angles equal 60 degrees
18
Q

What are the Triangles Rules

A
  1. The sum of the angles is 180 degrees
  2. In a given triangle, the longes side is the opposite of the lagest angle, and the shortest side is the opposite of the smallest angle.
  3. The area of a triangle is 1/2 the base times the height.
19
Q

What is the area of a Triangle?

A
20
Q

What is the Pythagorean Theorem?

A
21
Q

What is the area for squar?

A

S2

or

1/2 (digonal)2

22
Q

What are the 4 Special Right Triangles?

A

MY GMAT (4 decks)

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