Geometry Flashcards

(26 cards)

1
Q

What is the formula for the area of a rectangle?

A

Length multiplied by width (A = l × w)

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2
Q

True or False: The perimeter of a square is equal to four times the length of one side.

A

True

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3
Q

Fill in the blank: The volume of a cube is calculated by raising the length of one side to the ______ power.

A

third

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4
Q

What is the formula for the area of a triangle?

A

1/2 × base × height (A = 1/2 × b × h)

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5
Q

What is the perimeter of a circle commonly referred to as?

A

Circumference

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6
Q

What is the formula for the volume of a cylinder?

A

π × radius² × height (V = πr²h)

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7
Q

True or False: A right angle measures 90 degrees.

A

True

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8
Q

What are the coordinates of the origin in a coordinate plane?

A

(0, 0)

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9
Q

What is the area of a circle?

A

π × radius² (A = πr²)

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10
Q

Fill in the blank: The sum of the interior angles of a triangle is ______ degrees.

A

180

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11
Q

Multiple Choice: What is the perimeter of a rectangle with length 5 and width 3? A) 15 B) 16 C) 8

A

B) 16

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12
Q

What is the formula for the surface area of a sphere?

A

4π × radius² (SA = 4πr²)

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13
Q

True or False: An obtuse angle is greater than 90 degrees.

A

True

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14
Q

What shape has all sides equal and all angles equal?

A

Regular polygon (specifically, a regular triangle or square)

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15
Q

Fill in the blank: The distance between two points in a coordinate plane can be calculated using the ______ formula.

A

distance

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16
Q

What is the formula for the perimeter of a triangle?

A

Sum of the lengths of all sides (P = a + b + c)

17
Q

What type of angle measures exactly 180 degrees?

A

Straight angle

18
Q

Multiple Choice: Which of the following shapes has the greatest area for a given perimeter? A) Square B) Rectangle C) Triangle

19
Q

What is the formula for the volume of a rectangular prism?

A

Length × Width × Height (V = l × w × h)

20
Q

True or False: A parallelogram has opposite sides that are both equal and parallel.

21
Q

Fill in the blank: The area of a trapezoid can be found using the formula ______.

A

1/2 × (base1 + base2) × height

22
Q

What is the definition of a coordinate plane?

A

A two-dimensional surface formed by the intersection of a horizontal line (x-axis) and a vertical line (y-axis).

23
Q

What is the relationship between the angles in a complementary angle pair?

A

They add up to 90 degrees.

24
Q

Multiple Choice: Which of the following is not a property of rectangles? A) Opposite sides are equal B) All angles are right angles C) All sides are equal

A

C) All sides are equal

25
What is the area of a square with a side length of 4?
16 square units (A = side² = 4²)
26
True or False: The diagonal of a square divides it into two congruent triangles.
True