kelis88honey kelis88honey

15-07-2022
Mathematics

contestada

PLEASE HELP!

The measure of angle B = 27 degrees, measure of angle C
= 82 degrees, and b = 12. Then a =
nearest tenth.
to the

PLEASE HELP The measure of angle B 27 degrees measure of angle C 82 degrees and b 12 Then a nearest tenth to the class=

Respuesta :

sangers1959 sangers1959

15-07-2022

Answer: 25,0.

Step-by-step explanation:

∡B=27° ∡C=82° b=12 a=?

∡A=180°-(27°+82°)=180°-109^°=71°.

[tex]\frac{a}{sinA} =\frac{b}{sinB} \\a=\frac{b*sinA}{sinB}=\frac{12*sin71^0}{sin27^0}=\frac{12*0,9455}{0,454} \approx25,0[/tex]

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