15, 16, 21* O Acute triangle O Right triangle O Obtuse triangle Not a triangle
1 answer:
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You have:
2r
6r-21
then move the 6r over to the left and you end up wtih
-4r-21
Then you divide by -4 and when you do you must flip the inequality so your answer would be
r
21/4
2r
then move the 6r over to the left and you end up wtih
-4r
Then you divide by -4 and when you do you must flip the inequality so your answer would be
r
