bkapschull bkapschull
  • 12-02-2022
  • Mathematics
contestada

In △ABC,c=9, m∠B=65°, and a=105. Find b.

In ABCc9 mB65 and a105 Find b class=

Respuesta :

xenia168
xenia168 xenia168
  • 12-02-2022

Answer:

Step-by-step explanation:

b² = a² + c² - 2ac × cos (m∠B)

b² = 105² + 9² - 2(9)(105)cos65°

b ≈ 101.5

Answer Link

Otras preguntas

sketch the graph of each line.y=x-3
What does ¿La Navidad es el 25 de noviembre? mean and how would you reply?
How do the numerator and denominator of a fraction compare with the dividend and divisor of a division exxpression?
what is the multiplicative inverse of -0.4
Big bend national park  has about  870 oak trees. Brazos   bend state park has about  565 oak trees. About how many more oak trees does big bend national park h
Write three possible topic sentences for each thesis.1.My country has some of the most beautiful sights you will ever see.2. Computers can be convenient, but th
why don't the present shapes of the continents fit perfectly into the supercontinent?
What is the answer to: x + y = 4 Y= x+4 Using elimination
How do fungi mate with other fungi?
There is 1\4 of a peach pie left after a family pinic.Four cousin share the leftover pie equally.What fraction of a whole pie will each cousin recieve