Question

Can you help me here please?

Solve ΔABC:

Obtuse triangle in pic below

Answer 1

solve meaning find all the missing angles and sides right?

Answer 2

YUP:)

Answer 3

In this case, we use cosine law am i right?

Answer 4

Because we have 2sides and a contained angle

Answer 5

ok. to find AC use the law of cosines. it can be written in many forms but this is probably the one you want:

Answer 6

ok... you're way ahead of me... looks like you're getting used to this....

Answer 7

Sorry! Didnt mean to interrupt you

Answer 8

no problem... go for it... :)

Answer 9

what do you have for AC?

Answer 10

decimal is good...

Answer 11

correct...

Answer 12

that's AC^2 if i'm not mistaken....

Answer 13

cm

Answer 14

yes... now the angles....

Answer 15

ok, so the angle A can be found using sine law if im correct

Answer 16

yep... keep going

Answer 17

yes

Answer 18

Oh boy, I hope thats correct

Answer 19

Otherwise, I have to reread an entire unit:(

Answer 20

go forth grasshopper... you have learned the ways of the triangle. teach others what you have learned!!!

good work man.... you didn't really need my help :)

Answer 21

OMG! Thank you so much Dpainc! youre the one that taught me a lot and helped me through! THank you!

Answer 22

yw