The measure of AngleRST can be represented by the expression (6x + 12)°. Three lines extend from point S. The space between line

Question

2 years ago

11

s S R and S U is 78 degrees. The space between lines S U and S T is 3 x minus 12. What is mAngleRST in degrees?

1 answer:

DochEvi [55] · Answer 1 · 2022-08-16T18:46:12+03:00

Answer:The measure of angle RST is 120\°

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

m<RST=(6x+12)\° -----> equation A

m<RST=78\°+(3x-12)\° -----> equation B

equate equation A and equation B

(6x+12)\°=78\°+(3x-12)\°