Question

Use △DEF, shown below, to answer the question that follows.

What is the value of x rounded to the nearest hundredth?

Answer 1

Can you please help?

Answer 2

use tan

Answer 3

What exactly do I do?

Answer 4

tan45= x/55

Answer 5

Thanks! But I'm still a bit confused... What do I do in the calculator?

Answer 6

do you get it now

Answer 7

Um... I got 0.03173662237205. What now?

Answer 8

no sorry is 55 x tan49

Answer 9

tan(49) = x/55
multiply both sides by 55. That's basic algebra, solving for x.
55*tan(49) = x
tan of 49, when you put in your calculator is 1.15036841
and
55*(1.15036841) = 63.2702625

Answer 10

Okay, I got 69.97925233036359. Is that right?

Answer 11

no is 63.2702625 round to the nearest hundredths is 63.27

Answer 12

Okay, thanks!

Answer 13

ur welcome