kaylalynnv one year ago Find the value of x. The diagram is not to scale. Given: RS = ST, mRST = 7x - 54, mSTU = 8x. http://assets.openstudy.com/updates/attachments/509db530e4b009ab15e1ed16-kymy_rose00-1352512831829-7.png

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1. kaylalynnv

2. shamil98

|dw:1384828116764:dw| U is an exterior angle and exterior angles are supplementary.

3. shamil98

oh oops i labeled STU wrong

4. kaylalynnv

Its okay but how would I figure out x? Sorry Im really bad at this. :p

5. shamil98

My geometry knowledge is rusty.. but i'll give it a shot..

6. kaylalynnv

Its multiple choice :p

7. shamil98

Could you post them?

8. kaylalynnv

A.14 B.152 C.16 D.19

9. shamil98

|dw:1384828718523:dw|

10. shamil98

hm.

11. kaylalynnv

would it be 7x-54=8x and then solve?

12. shamil98

Nah, you'd get a negative number..

13. kaylalynnv

oh..

14. shamil98

This would be easier if we knew what the measure of angle SRT was..

Well done @shamil98 ! you seem to have this covered!

16. shamil98

is there any more given information?

17. shamil98

if not, i'm not sure how to solve for x. sorry.