Planimetrics - practice problemsStudy 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: 2998
- The long
The long side of a rectangular frame is 2′9″, and the short side is 1′3″. What is the area of the frame in square feet?
- Determine 81038
Determine the width of a rectangle with a content of 14.5 cm square and a length of 5 cm.
Chief has a rectangular field. It is 13 m long and 21 m wide. Find the area of the rectangular field.
- A rectangular 10
A rectangular flower garden is 4 1/2 ft by 4 3/4 ft. Find the perimeter and area of the garden.
- Concrete wall
A 10 1/2 by 16 concrete wall is to be built using concrete blocks. Find the area of the wall.
- 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.
- Quadrilateral 78874
Given is a quadrilateral ABCD inscribed in a circle, with the diagonal AC being the circle's diameter. The distance between point B and the diameter is 15 cm, and between point D and the diameter is 18 cm. Calculate the radius of the circle and the perime
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)