lrnegrita8 lrnegrita8

26-04-2018
Mathematics

contestada

HELP
Find the measure of a.

(photo)

a) 3

b) 16

c) 6

d) 8

HELP Find the measure of a photo a 3 b 16 c 6 d 8 class=

Respuesta :

sqdancefan sqdancefan

03-01-2019

Answer:

c) 6

Step-by-step explanation:

This is a straight-forward application of the Law of Cosines:

... a² = b² + c² -2bc·cos(A)

... a² = 8² +11² -2·8·11·cos(32.2°) ≈ 64 +121 -176·0.8462

... a² ≈ 36.07000

... a ≈ 6.00583

The best choice is c) 6.

Ver imagen sqdancefan

Answer Link

Otras preguntas

why do you think it is important for scientists to be curious

please help me write an algebraic expression equation. then solve these percent problems.A $150 leather jacket is going on sale for a 25% discount. How

x=square root of 880-8x

is 1/7 rational or irrational

What percentage of the total mass of KHCO₃ is made up by nonmetallic elements? a. 17% b. 83% c. 61% d. 20% e. 50%

all natural numbers are members of which other subsets of real numbers?

What are the four basic parts found in all cells?

Suppose M is the midpoint of line FG. A) FM= 5y+13, MG=5-3y, FG=? B) FM=8a+1, FG=42, a=?

What is an odd three-digit number that is divisible by a perfect square and 47 ?

How were Serbia''s actions in Kosovo similar to its actions in Bosnia and Herzegovina ?