Perimeter - examples
- Isosceles triangle
Calculate area and perimeter of an isosceles triangle ABC with base AB if a = 6 cm, c = 7 cm.
If we increase the rhombus side by 2.4 cm; its perimeter is 20 cm. How long was the side of the rhombus?
Rectangular garden 31 meters 40 centimeters long and 20m30cm wide adjacent with the shorter side with another (fenced) garden and on one longest side is 1 meter wide gate. How many meters of fence is needed to buy? (Estimate, calculate, verify a test ca
Side a of parallelogram is twice longer than side b. Its circumference is 78 dm. Calculate the length of the sides of a parallelogram.
- Triangle ABC
In a triangle ABC side b measure 10 cm less than the side a and side b is half of the side c. Calculate the length of sides if the circumference of the triangle is 42 cm.
Calculate the missing side of a parallelogram, if you know the perimeter o and one side: a) o = 7.2 cm; b = 1.8 cm b) o = 5.4 cm; a = 1.9 cm
- Garden plot
Calculate how many meters of fence need to fence the square garden with length and width of 5 meters.
Rectangular playground is fenced with 40 m long netting. Its width is 7 m. Calculate its length.
- Square diagonal
Calculate length of the square diagonal if the perimeter is 200 cm.
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. ?
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
- Isosceles triangle
Calculate the perimeter of isosceles triangle with arm length 19 cm and base length of 26 cm.
Circle arc corresponding to angle is 193° is 23 dm long. What is the length of the entire circle?
Calculate perimeter of the rectangle with sides a=6.3 m and b=2.5 m.
Semicircle estate must be fence. The straight section has 44 meters long fence. How many meters of fence should buy?
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.
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.