Practice problems of the perimeterA perimeter is a closed path that encompasses, surrounds two dimensional shape. The perimeter is the distance around a shape. The perimeter of a circle or an ellipse is called its circumference. The word comes from the Greek perimetros from peri "around" and metron "measure".
Number of problems found: 815
- The perimeter
The perimeter of a rhombus whose diagonal lengths are in the ratio 3:4 is 40 cm. What is its area in cm²?
- The rectangle 5
The rectangle OABC has one vertex at O, the center of a circle, and a second vertex A is 2 cm from the edge of the circle, as shown. The vertex A is also a distance of 7 cm from C. The point B and C lie on the circumference of the circle. a. What is the r
Find the perimeter of a triangle whose sides are 5 1/2 cm, 7 3/5 cm, and 3 1/4 cm, respectively.
Ruby is purchasing fencing to go around a rectangular lot which is 4x + 9 feet long and 3x - 5 feet wide. Which expression represents the amount of fencing she must buy?
- The length 14
The length of the rectangle is 6cm, and the perimeter of the rectangle is 20 cm. Find the rectangle's breadth. Find the area of the rectangle.
- A triangle 5
A triangle has sides 15/23 feet, 28/34 feet, and 35/29 feet. What is the triangle's perimeter (the distance around the edges) in feet? Express your answer in mixed number form, and reduce if possible.
- Each side
Each side of a regular polygon is 5.2 m, and its perimeter is 36.4 m. Find the number of sides of a polygon.
- Vegetable garden
The four sides of a vegetable garden are 15 1/2 feet, 18 3/4 feet, 24 1/4 feet, and 30 1/2 feet. How many feet of fencing is needed to go around the garden? (write the answer as the whole number)
- A farmer 6
A farmer made a square chicken coop of 6 1/3m. Determine the perimeter of the chicken coop. (Recall: perimeter =add all sides)
- Square field
The perimeter of a square field is 64 m. Find the cost of cementing the field at the cost of 240 USD per square meter.
- A triangle 4
A triangle has a perimeter of 18a + 6b + 15 and has sides of lengths 5a + 7 and 8a +4b. What is the length of the third side? Write an expression and simplify it to find the solution to the problem.
- The rectangle 4
The rectangle above has a length of 7x and a width of 3. The perimeter of the rectangle is represented by the algebraic expression 14x + 6. Find the perimeter of the rectangle when x = 2.
- An isosceles 2
An isosceles triangular frame has a measure of 72 meters on its legs and 18 meters on its base. Find the perimeter of the frame.
- A rectangle 12
A rectangle has a width of 7.2 cm shorter than its length. The perimeter of this rectangle is 22.8 cm. Write the width-to-length ratio of this rectangle in the simplest form and show how you solve the problem.
- Solve 11
Solve. Round the length and width to the nearest half unit, then solve for the area and perimeter. Enter your answers as whole numbers or decimals. Margo wants a new carpet and a new wallpaper border for her bedroom. The room is 5.7 yards long and 6 6/7 y
Binibini owns a triangular residential lot bounded by two roads intersecting at 70°. The sides of the lot along the road are 62m and 43m, respectively. Find the length of the fence needed to enclose the lot. (express answers to the nearest hundredths)
- Perpendicular 73264
The perimeter of a right triangle is equal to 30 centimeters. Calculate the perpendicular b if a = 5 centimeters and c = 13 centimeters. A natural number expresses the length of the perpendicular b.
- Circumference 72984
Task 1 - The circumference of the square is 280 mm. What is its area? Task 2 - the perimeter of the rectangle is 44.6dm, and its width is 6.3dm. Calculate the area of this rectangle.
- The diagonal 4
The diagonal of a rhombus measures 16cm and 30cm. Find its perimeter.
- Ethan 2
Ethan helps his grandpa trim the bushes in the gardens every week. There are two gardens in his house. The small square garden has a side of 11 m. Beside it is a big square garden with a side four times as long as the small garden. A fence surrounds the g