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Mathematics 21 Online
OpenStudy (anonymous):

Jeremiah uses bamboo rods to make the frame of a tailless kite. He ties three bamboo rods together to form a right triangle PQR. He then ties another rod from P that meets RQ at a right angle. Segment PS in the figure below represents this rod and it is 6 inches long. Which of the following could be the lengths of segments QS and SR? QS = 4 inches, SR = 9 inches QS = 6 inches, SR = 30 inches QS = 2 inches, SR = 3 inches QS = 16 inches, SR = 20 inches

OpenStudy (anonymous):

OpenStudy (anonymous):

@jim_thompson5910

jimthompson5910 (jim_thompson5910):

Hint: QS*SR = (PS)^2

jimthompson5910 (jim_thompson5910):

So QS*SR = 6^2 QS*SR = 36

OpenStudy (anonymous):

then..?

jimthompson5910 (jim_thompson5910):

what two numbers multiply to 36?

jimthompson5910 (jim_thompson5910):

of that list above

OpenStudy (anonymous):

6times6

jimthompson5910 (jim_thompson5910):

Of this list QS = 4 inches, SR = 9 inches QS = 6 inches, SR = 30 inches QS = 2 inches, SR = 3 inches QS = 16 inches, SR = 20 inches

OpenStudy (anonymous):

option 2

jimthompson5910 (jim_thompson5910):

6 * 30 = 36 ??

OpenStudy (anonymous):

o wait no

OpenStudy (anonymous):

nooooooo lol

jimthompson5910 (jim_thompson5910):

lol so which one?

OpenStudy (anonymous):

4x9

jimthompson5910 (jim_thompson5910):

so choice A

jimthompson5910 (jim_thompson5910):

good

OpenStudy (anonymous):

ty

jimthompson5910 (jim_thompson5910):

np

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