Seudónimo Seudónimo
  • 06-11-2017
  • Mathematics
contestada

Find the value of x. Given: RS=ST, m∠RST=7x-54, m∠STU=8x
 S
 Δ_U
RT
a.14
b.152
c.16
d.19

Respuesta :

shinmin
shinmin shinmin
  • 17-11-2017

Given:

∠STU = 8x 
∠RST = (7x – 54) 

Solution:
∠SRT + ∠RST = 8x (exterior angle is sum of interior angles) 
∠SRT + (7x – 54) = 8x 
∠SRT = 8x – (7x – 54) 
= x + 54 


∠STR + ∠STU = 180 is the linear pair 


x + 54 + 8x = 180 


9x = 126 


x = 14 

Answer Link

Otras preguntas

Meiosis produces cells with only what the total number of chromosomes of the organism
Find the slope of this line 2,2. 6,2
A circle has a circumference of 654 units. Approximate the diameter of the circle.
Red-green color blindness is caused by an X-linked recessive gene. In a family, the mother is a carrier of this gene while the father does not have the gene. Wh
How do I solve this???
Shane has to clean the garage after school this can help him eat his goal of 60 minutes of moderate to vigorous physical activity each day if
Marielle believes that there is no excuse for ever breaking the law. she is probably in kohlberg's _____ stage.
Which was the first state to vote to secede from the Union? A. Georgia B.Maryland C.Missour
Conic sections are called_______relations
how does a wind funnel have impact on the wind