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

Substitution how do u do it??
y varies directly as x. if x=5 when y=12 find x when y=30
How did the alliances that formed in Europe after world war 2 form an "iron curtain" as described by Winston Churchill in a 1946 speech?
What is 38/50 as a decimal... and what is 28/50 as a decimal? PLEASE HELP ME !!!! i hate struggling with homework!
Write an equation for a non-vertical line that contains the point ( 2,-4 )
What's an equivalent fraction for 10 15 by dividing
List the perfect squares between 100 and 500 that are even numbers.
How did the alliances that formed in Europe after world war 2 form an "iron curtain" as described by Winston Churchill in a 1946 speech?
What is %15 of $35.15 What is %15 of $27.00
sophia has 3 pink tulips and 3 white tulips. what fraction of sophias tulips are pink