caitlinrrovig caitlinrrovig

15-08-2021
Mathematics

contestada

PLEASE HELP (GEO) Find X
Round to the nearest tenth.
20 ft
\22 ft
Y
X 18 ft
X= [?]
Law of Cosines: c2 = a2 + b2 - 2ab cos C

PLEASE HELP GEO Find X Round to the nearest tenth 20 ft 22 ft Y X 18 ft X Law of Cosines c2 a2 b2 2ab cos C class=

Respuesta :

ferrybukantoro ferrybukantoro

15-08-2021

Answer:

70.5°

Step-by-step explanation:

cos x = (20²+18²-22²)/2(20)(18)

= (400+324-484)/720

= 240/720

= 1/3

so, X = arc cos ⅓ = 70.5°

Answer Link

Otras preguntas

How do you calculate percentage yield? What is the definition of percentage yield?

The slope of the line?

Professor Smith believes that students develop knowledge for themselves by being active learners. He claims that learning develops from interactions with the wo

During this chemical reaction energy is released. In the chemistry lab, this would be indicated by an increase in temperature or, if the reaction took place in

What happened to Rome shortly after the Fall of the Western Roman Empire?

Solve for x. 10x=2 Simplify your answer as much as possible. x = 1

flowing plant are more adapted to absorb

1. el baloncesto actividad deporte persona(s) 2. el/la jugador/a actividad deporte persona(s) 3. leer una revista actividad deporte persona(s) 4. el ciclismo ac

please help!!! What is the decimal equivalent of this fraction?

Which of the following defines externalities? the gradual increase of prices and wages the effect of an economic transaction on someone outside of the transacti