prettboyrob779 prettboyrob779

04-06-2018
Mathematics

contestada

The sides of a traingle are in the ratio 3:4:5. what is the length of each sdie of the traingle is 30 cm

Respuesta :

10-06-2018

x - the unit
3x; 4x; 5x - the lengths of the sides
3x + 4x + 5x = 30
12x = 30 |:12
x = 2.5
3x = 3 · 2.5 = 7.5 cm
4x = 4 · 2.5 = 10 cm
5x = 5 · 2.5 = 12.5 cm

Answer Link

Otras preguntas

Please help and explain!

Select the symbol that represents the phrase "at most." a < b > c ≤ d ≥

Why was it significant that jem was determined to return alone to the radley residence to retrieve his pants?

The fighting at Wounded Knee A resulted in an Indian victory. B turned into a massacre of Indians, including women and children. C was Custer's redemption after

Which of the following is a mixture? steel water oxygen gold

manny has a board that is 7/8 of a ft long. he cut in half. what is the length of the two sections

A car rounds a 75-m radius curve at a constant speed of 18 m/s. a ball is suspended by a string from the ceiling the car and moves with the car. the angle betwe

Which of the following describes the angle of rotation of a counterclockwise rotation? A. Negative B. positive C. Equal to 90 degrees D. Double the interior a

Briefly explain how a development in three of the five areas in the years 1860-1900 had an impact on american culture.  architecture  education  literature 

How did the political and economic life change during the cold war years in the us?