oyaikun oyaikun
  • 02-06-2021
  • Mathematics
contestada

help, there are more questions liek this

help there are more questions liek this class=

Respuesta :

mathmate
mathmate mathmate
  • 02-06-2021

Answer:

14.55'

Step-by-step explanation:

Cosine rule

c^2 = a^2 + b^2 - 2ab cos(C)

here

a=11

b=23

C = 150°

Substitute in cosine rule,

c^2 = 11^2 + 23^2 - 2(11)(23) cos (150°)

= 121 + 529 -2 (11) (23) sqrt(3)/2

=211.791

c = sqrt(211.791)

= 14.55

Answer Link

Otras preguntas

9. How many times did the temperature rise one degree per hour? A none B 1 C 2 D 3
A task is completed by 30 persons in 4 days. In how many days the same will be completed by 40 persons? REASON.
) an object is moving in a circular path with an angular speed of 1.52 rad/s. how long does it take the object to complete one revolution?
Geometry math question no Guessing and Please show work thank you
What is the radius of the following circle?
Why don’t all molecules contain only single bonds
The area of a square garden is 128 m2 how long is the diagonal?
In the rubin vase illustration, the black shape can be seen alternately as a foreground object resembling a vase or as a background two white profiled faces. wh
What is the sum of this geometric series?24 + 36 + ... + 121.5
Summarize the battle between Achilles and Hector. Make sure to mention how Achilles was killed.