klingelbaugh
klingelbaugh klingelbaugh
  • 15-11-2017
  • Mathematics
contestada

Find the value of x. The diagram is not to scale. Given RS=ST, m RST=7x-54, mSTU=8x
A.14
B. 152
C.16
D.19

Find the value of x The diagram is not to scale Given RSST m RST7x54 mSTU8x A14 B 152 C16 D19 class=

Respuesta :

andriansp andriansp
  • 24-11-2017
In this question, the triangle has 2 same side:SR=ST. That mean the angle of R will be same as T.
S= 7x-54
If STU=8x then T=R= 180-8x


If you add all 3 angle of triangle it will be 180. Then,
R+S+T= 180
7x-54 + (180-8x)+(180-8x)= 180
7x +360-16x= 180+54
-9x= 234-360
x= 14
Answer Link
heheheheh222 heheheheh222
  • 01-11-2019

Answer:

x=14 so the answer is a

Step-by-step explanation:

Answer Link

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