Perimeter - examples
- Circle and rectangle
A rectangle with sides of 11.7 cm and 175 mm is described by circle. What is its length? Calculate the content area of the circle described by this circle.
- Triangular prism
Calculate the volume and surface of the triangular prism ABCDEF with base of a isosceles triangle. Base's height is 16 cm, leg 10 cm, base height vc = 6 cm. The prism height is 9 cm.
- Children pool
The bottom of the children's pool is a regular hexagon with a = 60 cm side. The distance of opposing sides is 104 cm, the height of the pool is 45 cm. A) How many liters of water can fit into the pool? B) The pool is made of a double layer of plastic film.
- Hexagonal prism
The base of the prism is a regular hexagon consisting of six triangles with side a = 12 cm and height va = 10.4 cm. The prism height is 5 cm. Calculate the volume and surface of the prism!
- Garden plot
Calculate how many meters of fence need to fence the square garden with length and width of 5 meters.
- Square diagonal
Calculate length of the square diagonal if the perimeter is 200 cm.
Rectangular playground is fenced with 40 m long netting. Its width is 7 m. Calculate its length.
Find the length of each side of rhombus if the perimeter is 17 mm long.
- Angles and sides of the triangle
Triangle ABC has a circumference of 26 cm. Lengths of the sides are as follows: a = 11.2 cm; b = 6.5 cm. Arrange the interior angles in order of its size. ?
Calculate perimeter of the rectangle with sides a=6.3 m and b=2.5 m.
Determine the radius of the circle, if its perimeter and area is the same number.
- Mr. Zucchini
Mr. Zucchini had a rectangular garden whose perimeter is 28 meters. Content area of the garden filled just four square beds, whose dimensions in meters are expressed in whole numbers. Determine what size could have a garden. Find all the possibilities and
Circle arc corresponding to angle is 193° is 23 dm long. What is the length of the entire circle?
- Isosceles triangle
Calculate the perimeter of isosceles triangle with arm length 19 cm and base length of 26 cm.
Calculate the area and perimeter of a parallelogram whose two sides are long a=10 cm b=22 cm and height ha = 4 cm long.
Semicircle estate must be fence. The straight section has 44 meters long fence. How many meters of fence should buy?
- Square grid
Square grid consists of a square with sides of length 1 cm. Draw in it at least three different patterns such that each had a content of 6 cm2 and circumference 12 cm and that their sides is in square grid.
Draw a regular hexagon inscribed in a circle with radius r=6 cm. What is its perimeter?
- Rhombus HP
Calculate area of the rhombus with height 98 mm and perimeter 20 mm.
What is the radius of the circle whose perimeter is 6 km?