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Mathematics
OpenStudy (anonymous):

May I please have help on this! :D

OpenStudy (anonymous):

OpenStudy (ash2326):

@Answerthisnow Can you find the value of PR?

OpenStudy (nali):

first find the value of pr which is basically solving for x then it becomes to answer the question

OpenStudy (anonymous):

PR is like 9.8

OpenStudy (nali):

and find the other sides and u could also use proporations which is the key to solving this problem

OpenStudy (nali):

according to the thorem, u could the use the known sides of the biggest triangles to help u find the rest of the sides for the smaller triangles and then u could what u find to the choices in ur question

OpenStudy (anonymous):

B?

OpenStudy (nali):

ok just give me a few secounds to check

OpenStudy (nali):

r u still there?

OpenStudy (nali):

ur answer is incorrect if u notice all the choices have the length of PR times PS compared with PR times SR MEANING that to solve this problem just multiply those lengths and find out the real answer and then just round and then u will have the right answer

OpenStudy (anonymous):

I dont see the length for ps...

OpenStudy (paxpolaris):

do you know how to get \(\large x^2\)... i.e. PR*PR from PR*PS and PR*SR

OpenStudy (anonymous):

yeah i think.. PR =9.8

OpenStudy (paxpolaris):

I am not talking actual numbers - how do you get PR^2 from PR*PS and PR*SR

OpenStudy (anonymous):

idk ;/

OpenStudy (paxpolaris):

PS+SR=PR

OpenStudy (paxpolaris):

so, PR*PS + PR*SR =PR*(PS+SR) =PR*PR =PR^2

OpenStudy (nali):

look using proportions |dw:1338186076661:dw| find x any y by using proportions example big triangle /small triangle = 4/x= 9.8/ 4

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