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3 years ago

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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