Perimeter R Flashcards
What is the formula for the perimeter of a rectangle?
The perimeter of a rectangle is P = 2(length + width).
True or False: The perimeter of a square is calculated using the formula P = 4s, where s is the length of a side.
True.
Fill in the blank: The perimeter of an equilateral triangle with side length ‘a’ is _____.
3a.
What is the formula for the perimeter of an isosceles triangle?
The perimeter of an isosceles triangle is P = 2a + b, where ‘a’ is the length of the two equal sides and ‘b’ is the base.
Calculate the perimeter of a square with a side length of 5 units.
The perimeter is 20 units.
What is the perimeter of a scalene triangle?
The perimeter of a scalene triangle is the sum of all three sides, P = a + b + c.
True or False: The perimeter of a parallelogram can be found using the formula P = 2(a + b), where ‘a’ and ‘b’ are the lengths of the sides.
True.
What does ‘scalene triangle’ mean?
A scalene triangle is a triangle with all sides of different lengths.
Fill in the blank: The perimeter of a rectangle with length 10 and width 4 is _____.
28.
What is the perimeter of a parallelogram with sides of lengths 6 and 10?
The perimeter is 32.
What is the perimeter of an equilateral triangle with each side measuring 8 units?
The perimeter is 24 units.
True or False: All sides of a square are equal in length.
True.
Which shape has the formula P = 2(length + width)?
Rectangle.
What is the relationship between the side lengths of an isosceles triangle?
Two sides are equal in length.
Calculate the perimeter of a triangle with sides measuring 3, 4, and 5 units.
The perimeter is 12 units.
Fill in the blank: The sum of the lengths of the sides of a polygon is called its _____.
Perimeter.
What is the perimeter of a square if one side measures 7 units?
The perimeter is 28 units.
True or False: A parallelogram always has two pairs of equal sides.
True.
What is the perimeter of an equilateral triangle with a side length of 10 units?
The perimeter is 30 units.
Calculate the perimeter of an isosceles triangle with two sides of 5 units and a base of 8 units.
The perimeter is 18 units.
What is the perimeter of a scalene triangle with sides measuring 5, 7, and 9 units?
The perimeter is 21 units.
Fill in the blank: The perimeter of a parallelogram is calculated by the formula P = _____.
2(a + b).
What is the perimeter of a rectangle that is 12 units long and 5 units wide?
The perimeter is 34 units.
True or False: A rectangle can be considered a special type of parallelogram.
True.
What is the perimeter of a square with a side length of 9 units?
The perimeter is 36 units.