Swagduck343 Swagduck343

04-08-2018
Mathematics

contestada

What is the measure of angle 8 if AB = 7 and AC = 9? Round to the nearest degree.

What is the measure of angle 8 if AB 7 and AC 9 Round to the nearest degree class=

Respuesta :

sumayayahya15pc9y3u sumayayahya15pc9y3u

04-08-2018

the answer is 52°

use the laws of trig

its a right triangle, so cotan 9/7 is 52°

Answer Link

jimthompson5910 jimthompson5910

04-08-2018

tan(angle) = opposite/adjacent

tan(B) = AC/AB

tan(B) = 9/7

B = arctan(9/7)

B = 52.125 which is approximate

B = 52

--------------------------------------

The final answer is choice D) 52 degrees

Answer Link

Otras preguntas

Indicate which pattern of evolution is shown by the many species of finches on the Galápagos Islands.

When 70,000 is written as 7.0 10^{n} what is the value of n ? Can you please explain with some details?

It is likely that Earth could lose half of its species in the next ____________ years. a. 50 b. 100 c. 500 d. 1000

Why did immigrants tend to group together in cities?

Why can't plants and animals use the nitrogen directly from the atmosphere? Answer A.There is not enough of it in the air. B.Nitrogen gas contains the element i

What is twenty percent off 600 hundred pounds

For f(x)=3x+4, find f(2) and find x such that f(x)=17

Which decimal is equivalent to 13/20?

Okay so I have three tests tomorrow. Haven't even started studying for two of them (Literature and History) but I already know science. How do you all learn 40

How long does water evaporation take? What factors influence it?