Ask
your own question, for FREE!
Mathematics
9 Online
Find the measure of angle B?
Still Need Help?
Join the QuestionCove community and study together with friends!
this polygon has 7 sides
so n = 7
S = 180(n-2) S = 180(7-2) S = 180*5 S= 900 So the angles all ad up to 900 degrees
So... A + B + C + D + E + F + G = 900 (12x-9)+(9x+14)+(133)+(10x+9)+(10x)+(136)+(10x+5) = 900 solve for x, then use this to find B = 9x+14
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
heartlessprophet:
How do i get paid from work when im in job court ?
Aubree:
Guys, what does love feel like? I've been getting a tight chest and when I talk to him my heart rate hangs out around 100-120 beats per min, and when he doe
thereneelg:
ok... anyone have advice?? ...I did Choir all throughout Middle school and have ALWAYS been put in Soprano those three years.
kamariana:
The Byzantine Procopius is known for (5 points) reconquering much of the old Roma
chuckD:
hellp!!! what does it mean to describe a scientist as skeptical Why is sceptical
DoltonCarlee:
So like do y'all know anything about the first world war?
thehearken:
anyone know how to explain this so its easier for me to understand? b(1)=2, b(n)=
15 hours ago
0 Replies
0 Medals
18 hours ago
8 Replies
1 Medal
1 day ago
6 Replies
1 Medal
2 days ago
0 Replies
0 Medals
2 days ago
2 Replies
1 Medal
1 day ago
2 Replies
0 Medals
1 day ago
5 Replies
2 Medals