16-04-2020
Mathematics

contestada

Find the measure of angle A.

Find the measure of angle A class=

Respuesta :

amna04352 amna04352

17-04-2020

Answer:

112.6°

Step-by-step explanation:

Using cosine law:

20² = 11² + 13² - 2(11)(13)cos(A)

110 = -286cos(A)

cos(A) = -5/13

A = 112.6198649

Answer Link

Otras preguntas

i have 9 animals 3 are girls what percent is girls?

(PLS HELP <3) The proportional relationship between the number of songs Stella downloads, s, and the total cost in dollars and cents, c, can be represented

Select the correct expression r less than 52

The Kindertransport led to the deaths of many children. True False

Napisz opowiadanie twórcze na temat : Jak potoczyły się losy Janka, gdyby dostał wymarzone skrzypki minimum 2,5 strony Chodzi o lekturę klasy 5 Janko Muzykant B

Consider the substances quartz (SiOs), gold (Au), and nitrogen gas (N2). If possible, use the terms molecule and compound to describe each substance. If one or

A package of Oreos typically contained 45 cookies. Recently, Nabisco reduced the number to 39 cookies in a package because of inflation! What is the percent of

WILL GIVE BRAINLIEST!! What are values of a and b so the system of equations shown has no solutions? y=7x+b y=ax+4

How much earlier than the us did britain abolish slavery? two years earlier sixty-two years earlier thirty-two years earlier one hundred and two years earlier.

What identifies Pyxis of al-Mughira as Islamic? please helpp

ACCESS MORE