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padilas [110]
3 years ago
11

The measure of RST can be represented by the expression (6x + 12)°.

Mathematics
2 answers:
Valentin [98]3 years ago
8 0

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 -----> equation A

m -----> equation B

equate equation A and equation B

(6x+12)\°=78\°+(3x-12)\°

6x-3x=78\°-24\°

3x=54\°

x=18\°

The measure of angle RST is equal to

m

shutvik [7]3 years ago
5 0

Answer:

the answer is  C 120

good luck

Step-by-step explanation:

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