artytheonemanparty artytheonemanparty
  • 03-07-2018
  • Mathematics
contestada

what is the value of y

what is the value of y class=

Respuesta :

EchoIocation
EchoIocation EchoIocation
  • 03-07-2018
if you isolate y from the equation y+(y-12)+56=180 (adding all the angles together to make 180), you would get 68 degrees
Answer Link
choixongdong
choixongdong choixongdong
  • 03-07-2018
sum of interior angles in a triangle = 180
so
y + y - 12 + 56 = 180
2y + 44 = 180
2y = 136
y = 68

Answer
C. 68°
Answer Link

Otras preguntas

(100 POINTS!!!!!!!!!! Please do this assignment for me)In this assignment, you will research the connection between physics and a career in satellite technology
Roku rolls 5 fair, 6-sided dice all at once. What is the probability that he rolls all 1s? a. 1/6​ b. (1/6​)⁵ c. 1/36​ d. 1/216​
What is the ideology that believes in essential differences and a natural hierarchy between different so-called races of people?A. RacismB. MulticulturalismC. E
what is the additive inverse of 24/6​
The amount C in grams of carbon-14 present in a certain substance after t years is given by C = 20e^-0.0001216t estimate the half-life of carbon-14
The periodic test in Mathematics has 50 questions. If Joy got 90% correct answers, how many questions did she miss?​
Calculate the area of the regular pentagon shown below. Give your answer to 1 d.p. 16.2 cm is one side of the pentagon
Multiply: -5 x (-3) x 7a. 90b. -105c. 105d. -90
I need help pleasee What is the length of the dotted line in the diagram below? Round to the nearest tenth.
grade 12 speech topics​