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anonymous
 one year ago
What is the length of stack J M in the rectangular prism? Round your answer to the nearest tenth.
A.
20.0 cm
B.
21.5 cm
C.
23.3 cm
D.
25.7 cm
http://static.k12.com/calms_media/media/1579000_1579500/1579249/1/1090308dc016d6dbab2b0fdc1106a502ce61ccd7/MS_IMC150123130603.jpg
anonymous
 one year ago
What is the length of stack J M in the rectangular prism? Round your answer to the nearest tenth. A. 20.0 cm B. 21.5 cm C. 23.3 cm D. 25.7 cm http://static.k12.com/calms_media/media/1579000_1579500/1579249/1/1090308dc016d6dbab2b0fdc1106a502ce61ccd7/MS_IMC150123130603.jpg

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0dw:1434284021261:dw

butterflydreamer
 one year ago
Best ResponseYou've already chosen the best response.2Firstly you'll want to find the length of DM first :) So focus on this triangle and use pythagoras theorem: dw:1434284195211:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0So if I find DM will that be close to my answer :O

butterflydreamer
 one year ago
Best ResponseYou've already chosen the best response.2hmm.. well when we find DM, we can then use triangle JDM to find the length of JM :) So let's take it one step at a time

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Oh okay so I find area or perimeter? I think area

butterflydreamer
 one year ago
Best ResponseYou've already chosen the best response.2dw:1434284365815:dw

butterflydreamer
 one year ago
Best ResponseYou've already chosen the best response.2do you remember pythagoras' theorem?

butterflydreamer
 one year ago
Best ResponseYou've already chosen the best response.2yeees! Good job so now we know that DM = 20 :) SO now we look at triangle JDM and find the length of JM dw:1434284519786:dw

butterflydreamer
 one year ago
Best ResponseYou've already chosen the best response.2Exactly!! ^_^ But the question says to the nearest tenth so round 21.54 to 1 decimal place

butterflydreamer
 one year ago
Best ResponseYou've already chosen the best response.2yep :) Good job!

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Now I can finish this test *^*

butterflydreamer
 one year ago
Best ResponseYou've already chosen the best response.2haha no problemo~
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