meredith48034
meredith48034 meredith48034
  • 14-05-2020
  • Mathematics
contestada

Laws of Sines: Find each measurement indicated. Round your answer to the nearest tenth.
​

Laws of Sines Find each measurement indicated Round your answer to the nearest tenth class=

Respuesta :

amna04352
amna04352 amna04352
  • 14-05-2020

Answer:

2. 137°

3. 24.7°

Step-by-step explanation:

Using cosine law:

2. 28² = 12² + 18² - 2(12)(18)cosA

cosA = -79/108

A = 137.0107361°

3. 15² = 19² + 30² - 2(19)(30)cosC

cosC =259/285

C = 24.66381079°

Answer Link

Otras preguntas

HELP PLEASE??? ????? ???? ???
how are senators and representatives assigned to committees?
How do you understand Martin Luther King words: "Life's most persistent and urgent question is, 'What are you doing for others?'"
Try to figure this out
Which of the following are First Amendment freedoms? freedom from cruel and unusual punishments life, liberty, and property the right to a trial by jury
Describe three characteristics of the Psalms that help answer the question: “What are the Psalms?
what is the decimal equivalent of 7/8
Subtract show all of your work 7/8 - 1/6
who was the a french thinker who emphasized the use of mathematics as perhaps the most reliable way to acquire knowledge? A andreas vesalius B rena descartes C
Which of the following describes how fossils aid scientific research