casguilera casguilera

13-04-2019
Mathematics

contestada

Find the area of a triangle when A=40, b=14, c=9
a. 18.5
b. 40.5
c. 27.9
d.26.3

Respuesta :

sqdancefan sqdancefan

20-04-2019

Answer:

b. 40.5

Step-by-step explanation:

The appropriate formula for the area is ...

area = (1/2)bc·sin(A) = 63·sin(40°) ≈ 40.5 . . . . square units

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