Question

Find the area of the triangle with the given measurements. Round the solution to the nearest hundredth if necessary.

B = 74°, a = 14 cm, c = 20 cm

Answer 1

Do you know the law of sines?

Answer 2

WOOO got it :D I found the answer as 134.58

Answer 3

Oh Great! :D

Answer 4

wait let me check first, I used the formula 1/2acsinB?

Answer 5

LOL thank you xD but there is one more question I actually need help with about triangles, mind helping me?

Answer 6

Not at all.

Answer 7

yay thank you!! the question is

Two triangles can be formed with the given information. Use the Law of Sines to solve the triangles.

B = 49°, a = 16, b = 14

Answer 8

I am really finicky with law of sines D:

Answer 9

Do you know heron's formula?

Answer 10

yeah I know that formula!!! I think somewhere in the mix of me finding it I screw up LOL! let me try xD

Answer 11

Okay. :D

Answer 12

would A be 59.6??!

Answer 13

Hold on.

Answer 14

mmk :)

Answer 15

How much is sin inverse of 0.8252523?

Answer 16

Yes you are almost correct!! :D

Answer 17

I think it is 55.6 :D

Answer 18

omg woo :DDD

Answer 19

ok now what lol

Answer 20

@AkashdeepDeb I got C as 71.4 would c be 11.1 then?

Answer 21

I am not calculateing but If you are calculating then you are right! :D

Answer 22

LOL I mess up though!! :( crap. lol let me double check

Answer 23

Yes and then just use herons formula!
By finding out s the semi-permiter
\[\sqrt{s(s-a)(s-b)(s-c)}\]

Answer 24

I can't find little c

Answer 25

I feel like it's wrong way

Answer 26

nevermind I got the answer :D