In rectangle MNPQ, the ratio of the length of MP is 4:5.

a) Does this ratio tell you how long MN is? Explain.
b) What if MN is 12cm long. How long is MP? Use a diagram to illustrate your answer. Show your work.

8 answers

A ratio requires two numbers. I have no idea what you mean by the ratio of one length. Ratio to what other length?
im not sure that's all it says in the textbook.
sorry i but carly as my name it was actually me
the answer in the back says
a) no, it only tells the proportion
b)15 cm

how would i show my work for b?
hello???? can anyone help me with my question plz??
nvm then since no one will help me :'(
Aurora Grove Public School
Well, if you know that MN is 12cm long and you have the ratio 4:5. Then when you multiple 4 by 3 you get 12, so then 5 times 3 equals 15. So MP is 15cm long. Also it could look like this 4/5=12/15