Asked by Karen

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

how would i show my work for b?
Answered by karen
hello???? can anyone help me with my question plz??
Answered by karen
nvm then since no one will help me :'(
Answered by Hooman Karimi
Aurora Grove Public School
Answered by Hi
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
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