Question

The scale factor of ΔABC to ΔDEF is 4 : 5. Fill in the missing information:
The perimeter of ΔABC is 36 in.
The perimeter of ΔDEF is
HELP!!!!!!!

Answer 1

45

Answer 2

medal me if you want to know how..

Answer 3

Continue....

Answer 4

So. Since these triangles are 4:5. And the first triangle is 36, 4 times 9 is 36, likewise, 5 times 9 is 45...

Answer 5

does that make sense?

Answer 6

That makes perfect sense!!!

Answer 7

cool!

Answer 8

If you have anymore questions, just tag me but open a new thread so its fair to everyone else!

Answer 9

Thank you!!!!