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

1. The square of a number, n, is equal to the sum of that number and 11. Which equation represents this relationship? A. 2n = n + 11 B. (n + 11)2 = n +11 C. n2

identify all the following solutions of the square root of x+14 +2 = x (click photo)

Jennifer analyzes the nutritional information for the majority of the foods she eats. Make a prediction about her wellness. Justify your response in two or more

The term ________ describes something that stimulates wants, touches the emotions, and creates feelings.

which is released during the formation of a peptide bond

jeremie ran around the track at the ymca for 2 hours. when he was done he figured that he had traveled 20 kilometers. what was his speed? what was his velocity

z=3(-4-a)/4(4n+3p) solve for a

Which best describes the author’s purpose in "Dwaina Brooks”? to inform readers about a historical event to persuade readers of a specific point of view to inst

Which is greater 7 1/8 or 7.025

what is a shape with 4 equal sides and no right angels