Given the following measurements for the supplementary angles in the diagram, solve for y. Round your answer to the nearest tenth!
angle a = 3y - 7
angle b = 21
Numerical Answers Expected!
Answer for Blank 1:
2006-06-08 18:40:52 · 5 answers · asked by Anonymous in Education & Reference ➔ Homework Help
Angle a=159 and the value of y=55.33.
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Simple supplementary angles angle a =180-21=159.
159=3y-7
159+7=3y
166=3y
y=166/3
y=55.33
2006-06-08 18:48:26 · answer #1 · answered by Anonymous · 4⤊ 0⤋
supplemtry angles means that a+b = 180 degress
ie 3y-7 + 21 = 180
3y = 180 -21+7
3y = 174
y = 58
2006-06-09 01:48:31 · answer #2 · answered by Anonymous · 0⤊ 0⤋
Woah. I love math.
2006-06-09 01:43:31 · answer #3 · answered by mysarcophagus 2 · 0⤊ 0⤋
y = 55.3
2006-06-09 01:59:03 · answer #4 · answered by Abby Normal 3 · 0⤊ 0⤋
55.3
2006-06-09 01:44:21 · answer #5 · answered by Nelson_DeVon 7 · 0⤊ 0⤋