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Mathematics 9 Online
OpenStudy (anonymous):

HELP. prove the converse of the Pythagorean theorem using similar triangles

OpenStudy (anonymous):

@Nightmare11-16

OpenStudy (anonymous):

are you taking a flvs online course @beastmachine

OpenStudy (anonymous):

yea

OpenStudy (wolf1728):

Specifically what is the converse of the Pythagorean Theorem? If I am to prove it, I need to know what it is.

OpenStudy (anonymous):

one sec

OpenStudy (anonymous):

o funny thing this question was on my module 5 dba that i took like 2 hours ago

OpenStudy (anonymous):

what grade u in one sec wolf

OpenStudy (anonymous):

8th and my teacher is mskirchman

OpenStudy (anonymous):

In a triangle with sides a, b, and c, if a2 + b2 = c2, then the triangle is a right triangle. that is the answer if you print out the resource sheet everything you need to know is there even this answer

OpenStudy (anonymous):

the converse of the Pythagorean theorem states that when the sum of the squares of the lengths of the legs of the triangle equals the squared length of the hypotenuse, the triangle is a right triangle.

OpenStudy (anonymous):

im in 9th

OpenStudy (anonymous):

im not very smart though

OpenStudy (wolf1728):

So basically it is proving a triangle is a right triangle as opposed to calculating the actual side lengths. So, if there is a resource sheet for this - it's just a matter of finding it and posting it here.

OpenStudy (anonymous):

but beast you are still a grade ahead

OpenStudy (anonymous):

@wolf1728 yep

OpenStudy (anonymous):

so whats the answer

OpenStudy (anonymous):

n a triangle with sides a, b, and c, if a2 + b2 = c2, then the triangle is a right triangle. that is the answer

OpenStudy (anonymous):

thx @Nightmare11-16

OpenStudy (anonymous):

hey can you help me with one more

OpenStudy (anonymous):

yeah

OpenStudy (anonymous):

k ill post in one sec

OpenStudy (wolf1728):

Here's a proof http://jwilson.coe.uga.edu/emt668/emat6680.folders/brooks/6690stuff/righttriangle/pythagconv.html Given: triangle ABC with c² = a² + b² Prove: ABC is a right triangle. 1. Draw a right triangle EFG with legs a and b 2. n² = a² + b² (Pythagorean Theorem) 3. c² = a² + b² (Pythagorean Theorem) 4. c² = a² + b² = n² Therefore c = n 5.ABC EFG (SSS postulate) 6. C is a right angle 7. ABC is a right triangle

OpenStudy (wolf1728):

Wow I just thought I'd copy and paste the text. Well, • I couldn't do it all at once • Not all the answers were posted in that proof • I drew my own graphic GEEZ - I bet my "proof" only hss 17 missing steps. ARRRRGGGGGHHHHHH!!!

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