Question

Find the missing side or angle.

Round to the nearest tenth.
A=98°
b=11
c=19
a=[?]

Answer 1

A= 23.2

Explanation:

`a^2=b^2+c^2-2bc CosA`

`a^2=11^2+19^2-2(11)(19)Cos 98`

`a^2=121+361-418cos98`

`a^2=121+361-(-58.17)`

`√(a^2) =√(540.17)`

`a=23.2`

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hope it helps..

have a great day!!

Answer 2

your answer will be a= 23.2

Explanation:

hope this helps u have a great day ^_^