Seudónimo Seudónimo
  • 24-03-2017
  • Mathematics
contestada

Given: ΔABC; b= 10; c = 14, and ∠A = 54°. Find the length of side a to the nearest whole number.

A) 9
B) 12
C) 15
D) 17

Respuesta :

MissAi
MissAi MissAi
  • 25-03-2017
a² = b² + c² - 2bc cosA
a² = 10² + 14² - 2*10*14 cos54
a² = 100 + 196 - 280 * cos54
a = [tex] \sqrt{100 + 196 - 280 * cos54} [/tex]
a = 11.46
Ver imagen MissAi
Answer Link

Otras preguntas

Which sentence uses a verb that agrees with its pronoun subject? a. One of the assistants in the shop don't work very hard. b. Many of the monster in Ezra's dra
In the 1920s what did business and industries do that caused the economy to slow down ?
Amanda can jog 18 3/4 miles in 5 hours. At this rate, how many miles can Amanda jog in 4 hours?
What effect did economic reform have on Slovakia?
4x - y - 2z if x = -2, y = 3, and z = -2
Solve for both systems: 2x + 5y = 24 and - 2x + 3y = 40
In Henrik Ibsen's A Doll's House, there are numerous references to dolls. Nora mentions how she has bought dolls for her daughter, Emmy. She also refers to her
What is the solution to the equation P over 9= 72?
What role did the food supply play in shaping the nomadic life of hunter-gatherers and the settled life of farmers?
How can you prevent muscle mass loss as you age