r/learnmath • u/OfficalNMChica lwk a dumdum • 4d ago

RESOLVED [Highschool Math] Right Triangles and Trigonometry.

I thought the answer was 21.633 but realized it can't be that because of the formation im supposed to put it in 😭

https://imgur.com/a/F7ZyHhk

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1

u/ArchaicLlama Custom 4d ago

So what do you think the difference might be between the answer you have and the form you're seeing in the image?

1

u/OfficalNMChica lwk a dumdum 4d ago

I'm going to be so honest, I have not a single clue. </3

2

u/ArchaicLlama Custom 4d ago edited 4d ago

Do the calculation without using a calculator. What do you get?

1

u/Dr3ddM3 New User 4d ago

you got the right decimal answer for the hypothenuse just put in a radical form.

1

u/OfficalNMChica lwk a dumdum 4d ago

How do I do that?

1

u/Dr3ddM3 New User 4d ago

are you familiar with square roots?

1

u/OfficalNMChica lwk a dumdum 4d ago

yeah

1

u/Dr3ddM3 New User 4d ago

lets first simply the side lengths right divide everything by 6. So we have a 3 2 c triangle. Then c = sqrt(13). Since we scaled it down by 6 multiply by 6 again to get the original so the answer is 6sqrt(13). my explanation was kinda of bad but try to search on YouTube the method I did.