pichupichupi66 pichupichupi66

04-07-2021
Mathematics

contestada

AB = 20 cm, m∠A = 30°, and m∠C = 45°. Express the number of centimeters in the length of BC in simplest radical form.

Respuesta :

jcherry99 jcherry99

04-07-2021

Answer:

Step-by-step explanation:

x/Sin30 = 20/sin45 multiply both sides by sin30

x = 20*sin30 / sin45

sin30 = 1/2

sin45 = 0.7071

x = 20*1/2 / 0.7071

x = 10 / 0.7071

x = 10 * sqrt(2)

Answer Link

Otras preguntas

How do you solve a system of equations by elimination when the signs are the same

what are the components of blood?

solve the formula for the indicated variable c=yt+y,for t (the solution is t=___)

estimate for 412*5.904/0.195any one knw the estimate for this and how to work it out

If x= (a^2)/b, which situation would always double the value of x? (1) Doubling the value of a(2) Halving the value of a(3) Doubling the value of b(4) Halving t

what are vertically opposite angles

what are the functions of the sweat and oil glands

What are similarities between:The Han and Shang Dynasties?The Han and Xia Dynasties?Please help as it's due tomorrow and I don't have long to do it!

why are fossils of clams more numerous than those if the worms or cnidarians ?

the measure of distance from one point to another is?