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

lashonda purchased a prepaid phone card for $20 . long distance calls cost 18 cents a minute using this card. lashonda used her card only once to make a long di

A random sample of 30 receipts for individuals shopping at the Community DrugStore showed the sample mean to be x-bar = $28.19 with a sample standard deviation

find the least common denominator (lcd) of 1/3 and 2/9 .

what is a chart sheet?

what is the formula of the compound between calcium and sulfur that has the percent composition 55.6% calcium and 44.4% sulfur

for his long distance phone service, manuel pays a $2 monthly fee plus 12 cents per minute. last month, manuel's long distance bill was $14.36 . for how many mi

Points have the following physical properties: depth height thickness none (I just want the Answers)

What will 4 balloons cost if 10 balloons cost £3.00

2x + y = 7 5x + y = 9 Solve the system of equations.

which of the following resources would not necessarily help you become more health literate? A your peers B the library C health -care providers D your parents