Ask
your own question, for FREE!
Mathematics
13 Online
In the figure, rectangle ABCD is rotated 270° counterclockwise around point D to form rectangle EFGD. The perimeter of rectangle ABCD is 30 cm. How long is segment EC? _____cm
Still Need Help?
Join the QuestionCove community and study together with friends!
15 cm ? @jim_thompson5910
EF = CD since they correspond to one another CD rotates to EF and they match up
AB = CD because we have a rectangle with opposite congruent sides
|dw:1427849438996:dw|
Still Need Help?
Join the QuestionCove community and study together with friends!
what is the perimeter of that rectangle above?
lol I got my answer it was 15
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
VERNEISH:
Two objects are moving along separate linear paths where each path is described by position, d, and time, t.
Maci:
what are the best stock apps for people who want to start investing?
Twaylor:
genuienly how do i get better self control i keep watcing youtube and theres this
IzzyCookie:
|dw:1792074056138:dw| Uhm, I don't know where to ask this, but I'm in college welding at my community college, and I need help learning vertical welding for
thehearken:
not sure if this is considered spam, im sorry if it is, but does anyone have tips
4 hours ago
0 Replies
0 Medals
3 days ago
3 Replies
2 Medals
1 week ago
3 Replies
0 Medals
1 day ago
9 Replies
1 Medal
1 week ago
2 Replies
1 Medal