Geometry Problem Solver

The octagon

They give the tracks some problems can be solved automatically, the numerical values do not matter in the various examples.

Track 1

A regular octagon having sides of 20 cm. Calculate the perimeter and area.

Track 2

A regular octagon inscribed in a circle has a side length of 5 meters; calculate the perimeter, the area of the octagon and the circle area in which you are enrolled.

Track 3

A rectangular pedestrian plaza designed to take the long sides 30 m and 20 m; has been embellished with 6 beds in the shape of a regular octagon with side length 15 dm; calculates the area of the square was free.

Track 4

Calculate the apothem of a regular octagon, knowing that the perimeter is 160 cm and the area is 1931.2 cm ².

Track 5

Calculate the perimeter of a regular octagon, knowing that measures 24.14 cm inclined and the area is 1931.2 cm ².

Track 6

Calculate the area of ??a regular octagon knowing that the side is 20 cm and 24.14 cm measure tilt.

Track 7

Calculate the apothem of a regular octagon knowing side measuring 20 cm and the area is 1931.2 cm ².

Track 8

Calculate the perimeter and area of a regular octagon knowing that the inclination measured 24.14 cm.

Track 9

The side of a regular pentagon is 4 cm long. How long is the side of a regular octagon if its perimeter is four times greater than the Pentagon?

Track 10

Calculate the apothem of a regular octagon knowing the extent 1931.2 cm ² area.

Track 11

Calculate the area side and a regular octagon that has a circumference of 160 cm.

Track 12

The measures of the legs of a right triangle is 400 cm and 30 dm and the perimeter is 12 m. Determine the area and the extent of the hypotenuse. Calculate:
1) measures the height and perimeter of the rectangle and the equivalent of having 25 dm base triangle;
2) The perimeter of a square equivalent to 3/2 of the triangle;
3) the apothem of a pentagon triangle equivalent;
4) congruent hexagonal perimeter to 5/3 of the triangle;
5) side of a heptagon having the same perimeter of the triangle;
6) apothem octagon equivalent to 7/8 of the triangle;
7) the perimeter of a triangle equal to ennagono;
8) the area of ??a decagon having the hypotenuse side of the triangle congruent;
9) apothem endecágono having a side equal to the lower leg of the triangle;
10) the perimeter of a dodecagon which has a side equal to the height on the hypotenuse of the triangle.

Track 13

In the school yard there are 3 beds: the first in the shape of a pentagon with sides of 10 m, the second form with the long side 8 meters and third in the shape of an octagon with a side length of 5 m hexagon . Calculate the perimeter and area of each flowerbed.

Track 14

Calculate the number of sides of a polygon, knowing the extent of the sum of the interior angles is 1080 °.

Track 15

The perimeter of a regular octagon is 90 448 cm. Calculate the perimeter of a rhombus congruent to 7/5 octagon and has a height of 28.8 cm.