jaidenblakey6200 jaidenblakey6200
  • 17-12-2018
  • Mathematics
contestada

In ?ABC, the measure of ?C=90°, the measure of ?A=30°, and CA = 68 feet. Find the length of BC to the nearest foot

Respuesta :

jimrgrant1 jimrgrant1
  • 17-12-2018

Answer:

39 feet

Step-by-step explanation:

Since the triangle is right we can use the tan ratio to find BC

tan 30° = [tex]\frac{opposite}{adjacent}[/tex] = [tex]\frac{BC}{68}[/tex]

multiply both sides by 68

68 tan 30° = BC ⇒ BC ≈ 39 feet ( to nearest foot )


Answer Link

Otras preguntas

How did Thomas Jefferson's view of the national debt differ from that of Alexander Hamilton?
A bunch of 6 bananas cost $3.54. What is the unit rate?
Which is the genotype of the unknown offspring on toe two of the Punnett square above?
Not sure on which one it is???
What is the most important reason that info-European languages dominate the globe geographically today
Which of the following factors is an advantage of ecosystem-based management? A. It is based on trial and error. B. It is easy to implement, track, and r
what is the best estimate of the difference? (34/8-16/3) - 14/9 a)-3 b)-2 1/2 c)7 d)7 1/2
Ricardostan is a small, landlocked country where every citizen makes their economic choices on the basis of the theory of ricardian equivalence as described by
Water is initially present in a state where its molecules are far apart. During a change of state, its molecules slow down. Which Change of state has most like
the sum of two is 88. one number is 40 more then the other. Find the numbers