bbellag17
bbellag17 bbellag17
  • 22-06-2020
  • Mathematics
contestada

what would the answer be??

what would the answer be class=

Respuesta :

valerieulbrich
valerieulbrich valerieulbrich
  • 28-06-2020

Answer:

38°

Step-by-step explanation:

a²=b²+c²-2bc cos A

5²=3²+7²-2(3)(7) cos A

-33 = -42 cos A

A = [tex]cos^{-1}[/tex](-33/-42)

A = 38°

Answer Link

Otras preguntas

Cancer cells most likely have an abnormality in their
which of the following is not punctuated correctly?
Which equation can be used to solve for b?
what is the mass of a sample of o2 gas, which has a pressure of 740mmhg, at a temperature of 25c, in a volume of 250.l
show all work. PLEASE HELP!!!!
Who supported Jean D'arcs mission to meet the dauphine?
Which of the following artributes of the First and second continental
i need some help please
Explain indetail process that makes life possible?
Lara wrote the statements shown in the chart below: Statement Description 1 If two lines intersect, then they intersect at exactly one point. 2 In a right tri