Area And Perimeter Flashcards
(27 cards)
What is the formula for the area of a rectangle?
Area = length × width
True or False: The perimeter of a square is four times the length of one side.
True
Fill in the blank: The formula for the perimeter of a rectangle is ______.
Perimeter = 2 × (length + width)
What is the area of a triangle with a base of 5 units and a height of 10 units?
Area = 25 square units
Multiple Choice: What is the perimeter of a circle called?
Circumference
True or False: The area of a circle is calculated using the formula πr².
True
What is the formula for the area of a parallelogram?
Area = base × height
Fill in the blank: The perimeter of a triangle is the sum of the lengths of its ______.
sides
What is the area of a rectangle with a length of 8 units and a width of 3 units?
Area = 24 square units
Multiple Choice: Which of the following shapes has a constant width?
Circle
True or False: The area of a trapezoid can be found using the formula (1/2) × (base1 + base2) × height.
True
What is the formula for the circumference of a circle?
Circumference = 2πr
Fill in the blank: The area of a square is calculated using the formula ______.
Area = side²
What is the perimeter of a square with sides measuring 4 units?
Perimeter = 16 units
Multiple Choice: What do you call a two-dimensional shape?
Plane figure
True or False: The formula for the area of a circle is A = πd.
False
What is the area of a circle with a radius of 3 units?
Area = 28.27 square units (approximately)
Fill in the blank: The perimeter of a regular hexagon can be found by multiplying the length of one side by ______.
6
What is the formula for the area of a rhombus?
Area = (diagonal1 × diagonal2) / 2
Multiple Choice: Which shape has the largest area for a given perimeter?
Circle
True or False: The perimeter of a rectangle can be calculated without knowing the width.
False
What is the area of a trapezoid with bases of 5 units and 7 units and a height of 4 units?
Area = 24 square units
Fill in the blank: The perimeter of a polygon is the sum of the lengths of its ______.
sides