ashleyrogersarogers ashleyrogersarogers

25-02-2019
Mathematics

contestada

If b = 9 and c = 13, what is the measure of ∠A? (round to the nearest tenth of a degree)

A) 34.7°

B) 41.2°

C) 46.2°

D) 49.5°

E) 55.3°

If b 9 and c 13 what is the measure of A round to the nearest tenth of a degreeA 347 B 412 C 462 D 495 E 553 class=

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

25-02-2019

Answer:

C) 46.2°

Step-by-step explanation:

cos theta = adjacent side/ hypotenuse

cos A = b/c

cos A = 9/13

Taking the inverse cosine of each side

cos^-1 (cosA) = cos^-1 (9/13)

A = 46.18693854

A = 46.2 degrees

Answer Link

sierravick123owr441 sierravick123owr441

25-02-2019

The answer to this question is C

Answer Link

Otras preguntas

Select the verb form that correctly completes the conversation between a diner and a waiter. Le serveur : Qu’est-ce que vous aimeriez prendre? Le client : Je _

Consider this two-step mechanism for a reaction. no2( g) + cl2( g) ¡k1 clno2( g) + cl( g) slow no2( g) + cl( g) ¡k2 clno2( g) fast a. what is the overall reacti

The biggest U.S. stock exchange is located in which city? Apex answer: New York (NYSE)

which line contains the point (3,6)?a. 4x-y=7b. 2x+5y=4c. 7x-y=15d. x+5y=21please explain how to solve this. thank you!

An account is said to have a debit balance if

Use algebra to solve 3x + 4 =1/x . The exact solutions are x =

What kind of weather would you describe ominous

What role did African Americans play in shaping reconstruction?

A(n) _____ is an excited group of people who move toward a goal.

To convert 8 kiloliters to liters, the first ratio is 1 kL/1,000 L. To set up the proportion, the second ratio must be _____. A. 1,000 L/x B. 8 kL/x C. x/1,000