Shlumps
Shlumps Shlumps
  • 03-07-2017
  • Mathematics
contestada

Find the value of x.

Find the value of x class=

Respuesta :

Banabanana
Banabanana Banabanana
  • 03-07-2017
An exterior angle of a triangle is equal to the sum of the opposite interior angles, so:

8x + 15 = 3x + 20 + 4x + 5
8x + 15 = 7x + 25
8x - 7x = 25 - 15
x = 10

Answer Link
ARYANAGARWAL ARYANAGARWAL
  • 03-07-2017
(4x+5) + (3x+20) = 8x+15
[Reason - Exterior angle is equal to sum of its two interior angles]

7x + 25 = 8x + 15
x = 10
Answer Link

Otras preguntas

i need help on this question
1. What reaction fuels the buring of the sun? combustion fission fusion transmutation
You are dealt one card from a​ 52-card deck. Find the probability that you are dealt a three or a red card.
What causes drug abuse?
Quadratic equations and functions. n^2+2n-15=0
6. The temperature of a mass of tin increases from 24.0 degrees C to 34.0 degrees C when 250 J of thermal energy are added. Calculate the mass of the tin. The
Some versions of the play have “sullied" instead of “solid.” Howdoes that change alter the focus of Hamlet's disgust?​
What should be done about an employee who is not doing a fair share of the work?
Complete the function table. Function: y = 4x + 1
Which of the numbers in each pair is farther to the left on the number line? a. 305 and 17 b. 187 and 900 c. 16 and 46 d. 157,019 and 149,984