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Mathematics 7 Online
OpenStudy (anonymous):

HELP WITH congruant triangles... Posting picture below

OpenStudy (anonymous):

OpenStudy (campbell_st):

these questions use some of the basics of triangles the sum of the shorter sides of a triangle is greater than the length of the longest side.. the shortest side in a triangle is opposite the smallest angle

OpenStudy (anonymous):

ok.ay??

OpenStudy (anonymous):

still dont get it

jimthompson5910 (jim_thompson5910):

which one do you need help with? first or second?

OpenStudy (anonymous):

both

jimthompson5910 (jim_thompson5910):

any ideas on the first one?

OpenStudy (anonymous):

EW + WF < EF?

OpenStudy (anonymous):

hold on wrong question

jimthompson5910 (jim_thompson5910):

hmm ok

OpenStudy (anonymous):

GE + ET < TG

jimthompson5910 (jim_thompson5910):

keep in mind that if you have a triangle with sides x, y and z all of the following must be true x + y > z x + z > y y + z > x

OpenStudy (anonymous):

so wat i have is correct?

jimthompson5910 (jim_thompson5910):

no

jimthompson5910 (jim_thompson5910):

basically, the sum of any two sides must be larger than the third side

OpenStudy (anonymous):

EF > 18?

jimthompson5910 (jim_thompson5910):

where are you getting EF? I don't see point F

OpenStudy (anonymous):

from number 44?

OpenStudy (anonymous):

omg i was looking at the wrong problem on my paper

jimthompson5910 (jim_thompson5910):

that's ok

jimthompson5910 (jim_thompson5910):

i was wondering where you got F from

OpenStudy (anonymous):

i got F from a differnt question

jimthompson5910 (jim_thompson5910):

thought so

OpenStudy (anonymous):

GE + ET < TG?

jimthompson5910 (jim_thompson5910):

the sum of any two sides must be larger than the third

OpenStudy (anonymous):

TG < GE + ET

jimthompson5910 (jim_thompson5910):

better

OpenStudy (anonymous):

tanks

OpenStudy (anonymous):

thanks*

jimthompson5910 (jim_thompson5910):

yw

OpenStudy (anonymous):

is it "None of the answers are correct." for the second one?

jimthompson5910 (jim_thompson5910):

no

OpenStudy (anonymous):

m∠A < m∠B

jimthompson5910 (jim_thompson5910):

the side opposite angle A is 5 the side opposite angle B is 4 So which angle is larger?

jimthompson5910 (jim_thompson5910):

everything else is held equal

OpenStudy (anonymous):

m∠A > m∠B

jimthompson5910 (jim_thompson5910):

better

jimthompson5910 (jim_thompson5910):

angle B is smaller

jimthompson5910 (jim_thompson5910):

since the opposite side is smaller

OpenStudy (anonymous):

oooooohhhhhhhh

jimthompson5910 (jim_thompson5910):

this idea is definitely useful for determining/comparing distances from a long ways away (esp when you can't actually measure them)

OpenStudy (anonymous):

oh, cool

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