Triangle circumference calculation
The triangle has a perimeter of 19.5 cm. From the formula for calculating its circumference, express successively unknown a, b, c. Then over by substituting: a = 8 cm; b = 6.5 cm; c = 5 cm. (always count the expressed side)
Final Answer:
Tips for related online calculators
See also our trigonometric triangle calculator.
You need to know the following knowledge to solve this word math problem:
algebraplanimetryGrade of the word problem
We encourage you to watch this tutorial video on this math problem: video1
Related math problems and questions:
- Trapezoid - sides
Calculate the unknown side and the area of the ABCD trapezoid if you know: side a = 7.5 side b = 3.6 side d = 4.4 height v = 3.4 circumference o = 19 c =? S =? - Rectangle - perimeter, side
From the formula for the perimeter of a rectangle, express the length of side b and find its value for o = 28 cm and a = 7.5 cm. - Two similar
There are two similar triangles. One has a circumference of 100 cm, and the second has sides successively 8 cm, 14 cm, and 18 cm longer than the first. Find the lengths of its sides. - Similar triangle area
The ABC triangle has a circumference of 11 cm. Triangle A'B'C ', similar to triangle ABC, has side lengths of 6 cm, 120 mm, and 1.5 dm larger than triangle ABC. Calculate the area of the triangle A'B'C '. - Thermal energy
From the formula for calculating thermal energy Q=m*c*t, express t and calculate by how many °C 2 kg of water must be heated to increase its energy by 126 kJ - Ratio of sides
The triangle has a circumference of 21 cm, and the length of its sides is in a ratio of 6:5:3. Find the length of the longest side of the triangle in cm. - Triangle circumference puzzle
Christina chose a certain odd natural number divisible by three. Jacob and David then examined triangles with a perimeter in millimeters equal to the number selected by Christina and whose sides have lengths in millimeters expressed by different integers.
