01-01-2018
Mathematics

contestada

How to find the angles measures using the law of sines and cosines

How to find the angles measures using the law of sines and cosines class=

Respuesta :

tynollette tynollette

01-01-2018

when the three side lengths are given, use law of cosine;
a²=b²+c²-2bcCosA
exampel: 17²=10²+11²-2*10*11CosA
220CosA=100+121-289=-68
CosA=-68/220
use a calculator to find: A≈107

Answer Link

Otras preguntas

5 pounds of birdseed cost $10.40. What is the price per ounce ?

How do I set up the equation for this? If your average speed is 55 mph, how long will it take you to drive 248 miles?

Solve for c. (a) If your answer is 7 ft color the objects on the chalkboard red. (b) If your answer is 5 ft color the obiects on the chalkboard green. (Explain

Sally was visiting France and on a tour with one of her friends that live in Paris. Her friend, Chloe bumped in the someone she must have known and they started

What is the average rate of change of the function over the interval x = 0 to x = 4? f(x) = 2x - 1 Enter your answer in the box.

Need some help with this math question thanks :)

Factor completely.Reduce if necessary. 2x+8/x^2-16

The___ demonstrate the cell theory because it develops cells that fuse to form one giant cell, making up the whole organism.

Help me pleasssseeeeeee

The initial number of carbon-14 atoms in the organism at death is