Find c given: a) r=6 feet b) d=3.5 meters c) d=2 feet d) r=7 cm

B. 25,636

Step-by-step explanation:

In this example we will us the sin.

sin55=21000/x

multiply both sides by x

sin55(x)=21000

the sin of 55 degrees is around 0.81915 so we can substitute that number

0.81915x=21000

divide both sides by 0.81915

x≈25636.3303424

we can then round this number to get:

answer choice B 25636