hannamarie002
hannamarie002 hannamarie002
  • 21-05-2021
  • Mathematics
contestada

i need help ! please!

i need help please class=

Respuesta :

s1m1
s1m1 s1m1
  • 21-05-2021

Answer:

D

Step-by-step explanation:

sin A = opp. /hyp. = CB/AB = 12/ 15 so CB =12 and AB=15

apply Pythagorean Th. for triangle ABC to find AC

AC²= AB²-CB² = 15²-12² = 81; AC = √81=9

tan A = opp./adj. = CB /AC = 12/ 9 = 4/3

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