20220346 20220346

01-05-2020
Mathematics

contestada

Find the area of the triangle to the nearest tenth.
7 cm
87 degrees
11 cm
O A. 2.0 cm²
O B. 38.4 cm2
O C. 734.6 cm2
O D. 76.9 cm2

Find the area of the triangle to the nearest tenth7 cm87 degrees11 cmO A 20 cmO B 384 cm2O C 7346 cm2O D 769 cm2 class=

Respuesta :

01-05-2020

Answer:

[tex]A

=

a

b

\frac{

sin

γ}

2

\\ =

7

·

11

·

\frac{

sin

(

87

°)}

2

\\

≈

38.44724[/tex]

Answer B is correct.

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