lexied2303
lexied2303 lexied2303
  • 01-02-2017
  • Mathematics
contestada

Can someone help me with this please!~

The measures of the angles of △ABC are given by the expressions in the table.

Can someone help me with this please The measures of the angles of ABC are given by the expressions in the table class=

Respuesta :

Ozgr
Ozgr Ozgr
  • 01-02-2017
Note that sum of triangle interior angles is 180. So,

[tex](12x+12)+15+(3x+18)=180[/tex]

[tex]15x+45=180[/tex]

[tex]15x=135[/tex]

[tex]x=9[/tex]

Since [tex]A=12x+12=12.9+12=120[/tex]

And [tex]C=3x+18=3.9+18=45[/tex]
Answer Link
avasky0801
avasky0801 avasky0801
  • 23-03-2020

Answer:

a=120

c=45

i took the quizzzz

Answer Link

Otras preguntas

Identify the essential element missing from the following topic sentence. Giving holiday gifts can be expensive! O A. controlling idea O C. concluding idea
Can someone please help me it's urgent!
Which word or phrase is a correlative conjunction? A.whereas B.either or C.whether D.now that
2 The body cannot produce macronutrients. What does this mean? O A. The endocrine system does not fulfill its function. O B. This is the factor that separates h
What percent of species become extinct when mass extinction occurs? оооо a)About 30% b)About 50% c)About 70% d)About 80%
What is the value of x for number 4
solve for x 1/5x+9=13
Responses to stress include: A. Acute and chronic responses B. Emotional and resilience responses C. Emotional, physiological and behavioral responses D. Physio
Write an inequality for x that would give this rectangle an area of at least 300ft sq2 the numbers are X+5ft 3ft
I need help please..!! Mark Brainliest for correct answer please