Geometry Flashcards
(26 cards)
What is the formula for the area of a rectangle?
Length multiplied by width (A = l × w)
True or False: The perimeter of a square is equal to four times the length of one side.
True
Fill in the blank: The volume of a cube is calculated by raising the length of one side to the ______ power.
third
What is the formula for the area of a triangle?
1/2 × base × height (A = 1/2 × b × h)
What is the perimeter of a circle commonly referred to as?
Circumference
What is the formula for the volume of a cylinder?
π × radius² × height (V = πr²h)
True or False: A right angle measures 90 degrees.
True
What are the coordinates of the origin in a coordinate plane?
(0, 0)
What is the area of a circle?
π × radius² (A = πr²)
Fill in the blank: The sum of the interior angles of a triangle is ______ degrees.
180
Multiple Choice: What is the perimeter of a rectangle with length 5 and width 3? A) 15 B) 16 C) 8
B) 16
What is the formula for the surface area of a sphere?
4π × radius² (SA = 4πr²)
True or False: An obtuse angle is greater than 90 degrees.
True
What shape has all sides equal and all angles equal?
Regular polygon (specifically, a regular triangle or square)
Fill in the blank: The distance between two points in a coordinate plane can be calculated using the ______ formula.
distance
What is the formula for the perimeter of a triangle?
Sum of the lengths of all sides (P = a + b + c)
What type of angle measures exactly 180 degrees?
Straight angle
Multiple Choice: Which of the following shapes has the greatest area for a given perimeter? A) Square B) Rectangle C) Triangle
A) Square
What is the formula for the volume of a rectangular prism?
Length × Width × Height (V = l × w × h)
True or False: A parallelogram has opposite sides that are both equal and parallel.
True
Fill in the blank: The area of a trapezoid can be found using the formula ______.
1/2 × (base1 + base2) × height
What is the definition of a coordinate plane?
A two-dimensional surface formed by the intersection of a horizontal line (x-axis) and a vertical line (y-axis).
What is the relationship between the angles in a complementary angle pair?
They add up to 90 degrees.
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
C) All sides are equal