Question

Find the perimeter of triangleABCD. Round to the nearest tenth.

Answer 1

picture?

Answer 2

where is it?

Answer 3

A. 90.0
B. 18.0
C. 14.3
D. 10.5

Answer 4

sorry.. i had a bad experience opening docx files so now i avoid them...

Answer 5

\[CD=\sqrt{(-3-1)^{2}+(1-1)^{2}}\]
CD=5
\[DE=\sqrt{(1-3)^{2}+(4+2)^{2}}\]
DE=sqrt40=6.3
\[CE=\sqrt{(-3-3)^{2}+(1+2)^{2}}\]
CE=6.7
P=CE+DE+CD
P=5+6.3+6.7
P=18

Answer 6

so it was B thanks khaoula

Answer 7

you are welcome