Planimetrics - practice problems - page 2 of 157Study plane measurements, including angles, distances, and areas. In other words - measurement and calculation of shapes in the plane. Perimeter and area of plane shapes.
Number of problems found: 3121
- A park
In a park, the breadth of a rectangular flower bed is 2.25m, and its length is four times its breadth. Find the area of the rectangle.
- Pizza diameter
If an 18-inch pizza costs $16.99 and is cut into 12 slices, what is the cost per square inch?
- A stop
A stop sign is in the shape of an 8-sided polygon (regular octagon) in which each side is 12 1/2 in. What is the perimeter?
- The length 15
The length of the rectangle is twice as long as the width. The width is 104 cm. find the perimeter of the rectangle.
- Rectangle 80701
One side of the rectangle has length a=9/5 cm, and the length of side b is 7/10 cm greater than the length of side a. Calculate the perimeter and area of the rectangle.
- A triangle 8
A triangle has a base of 9.2 feet and a height of 4.8 feet. What is the area of the triangle?
- The sides 7
The sides of the triangle are 5.2, 4.6, and x. If the PERIMETER of the triangle is 11.2 feet, what is the length of the unknown side? (hint: draw a picture)
- A handkerchief
Find the area of a handkerchief with a length of 0.75 decimeters and a width of 0.60 decimeters.
- Different 80374
Draw the base of circles with different radii. Measure the diameter of each circle and compare it to its radius. What is true about them?
- Three-fifths 80366
Calculate in cm the perimeter of a triangle with sides a, b, and c. If a is two-thirds of side b, c is three-fifths side b; b=15 cm.
Find the perimeter of a triangle whose sides are 5 1/2 cm, 7 3/5 cm, and 3 1/4 cm, respectively.
- 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.
- Rectangle 73
Suppose a rectangle has a height of 9 cm and a width of 4 cm. What is the rectangular area?
- 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)
- 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.
- Length in yds
Find the area of a rectangle with a length of 4 3/4 yards and a width of 1 1/16 yards.
- 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
- A rectangle 11
A rectangle or athletic field is 100 yards wide and 500 yards long. How many square yards are on the football field?
- 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.