roxanagriffith2 roxanagriffith2

23-08-2017
Mathematics

contestada

If a triangle ABC, angle A is three times as large as angle C. The measure of angle B is 30 less than that of angle C. Find the measure of the angles

Respuesta :

twvogels twvogels

23-08-2017

[tex]180=a+b+c[/tex]
[tex]180=3c+(c-30)+c[/tex]
[tex]180=5c-30[/tex]
[tex]210=5c[/tex]
[tex]c=42[/tex]
[tex]a=3c[/tex]
[tex]a=3(42)[/tex]
[tex]a=126[/tex]
[tex]b=c-30[/tex]
[tex]b=42-30[/tex]
[tex]b=12[/tex]

Check:
126+12+42=180
180=180 ---> Checks TRUE

Answer Link

Otras preguntas

Which is an example of a cultural bond found in a nation-state?

What is the volume of the figure that can be formed by the net below?

The number of enslaved people who were freed because of the emancipation proclamation increased gradually over time why do you think that was ?

Explain why hypersensitivity developes

Please help me!!!!!!

Which pioneer campaigned to make birth control available for women?

Which of these consumer products is the BEST example of a non-renewable resource? A) lumber B) gasoline C) paper towels D) cotton shir

Evaluate the expression begin expression . . . 2 times n, times, the quantity n minus 1 . . . end expression, when n = 3 . A 11 B 12 C 17 D

The owner of a catering company wants to select a random sample of clients to find out about their food preferences. Select Yes or No to tell whether each meth

Lee y escoge la opción correcta. Read and select the right option. Mi mamá ________ en el restaurante. A. vivo B. vives C. desayuno D. desayuna