Guineapilover
Guineapilover Guineapilover
  • 02-06-2016
  • Mathematics
contestada

Solve for x? I don't think any angle is a 90 degree angle. I didn't draw it exactly right.

Solve for x I dont think any angle is a 90 degree angle I didnt draw it exactly right class=

Respuesta :

padawan
padawan padawan
  • 02-06-2016
from cosine law
c^2 = a^2 + b^2 -2abcos(C)
cos(C) = (a^2 + b^2 - c^2)/2ab
this formula will solve your problem
Answer Link

Otras preguntas

The purpose of a controlled experiment is to allow a scientist to isolate and test? A a conclusion B many data C several variables D a single variable
Tell whether the angles are complementary or supplementary. Then find the value of x. help pls i don't get it...
Consider the halfpipe with a diameter of 7 cm and a height of 20 cm. Find its volume, rounding to 2 decimal places.
Please HELP!! Need to finish before the end of the day!
Which criteria best determines a writer's level of skill?the production of many pieces of writing in a variety of literary genresthe determination to answer eve
What is the volume of the rectangular prism shown below? A. 250 in 3 B. 90 in 3 C. 19 in ³ D. 200 in 3
Kyle recorded his height, in inches, from age 6 to age 18. The graph below shows the data that he recorded as a function of his height over time. Kyle plotted m
What is it help pleaseee
Find the area of a regular polygon with 5 sides that has a side length of 6 inches and an apothem of 9 inches. Area = [?]in2
the diagram shows a sector of a circle radius 10cm calculate the perimeter of the sector give answer to 1 decimal place