Question

Find the value of e.


A) 17.2

B) 12.7

C) 19.4

D) 14.9

Answer 1

@Michele_Laino

Answer 2

please you have to solve this equation:
\[\frac{e}{{\sin \left( {61} \right)}} = \frac{p}{{\sin \left( {45} \right)}},\quad p = 15.7\]

Answer 3

hint:
\[e = \sin \left( {61} \right) \cdot \frac{{15.7}}{{\sin \left( {45} \right)}}\]

Answer 4

@MARC_

Answer 5

idk what to do to get the answer :c

Answer 6

@iGreen

Answer 7

Find sin(61) and sin(45)

Answer 8

in my calculator i got sin(61) = 0.87

Answer 9

sin(45) = 0.70

Answer 10

is this correct?

Answer 11

Kind of

Answer 12

But 0.70 should actually be rounded to 0.71

Answer 13

Plug those back in and finish solving.

Answer 14

\(e = 0.87 \times \dfrac{15.7}{0.71}\)

Answer 15

e = 13.659/0.6177

Answer 16

e = 22.1 ?

Answer 17

idk...its wrong can u plzzz help?? @iGreen

Answer 18

\(e = 0.87 \times \dfrac{15.7}{0.71}\)

Divide 15.7 / 0.71 first

Answer 19

19.2 ?

Answer 20

Yeah, I got something like that.

Answer 21

Your answer should be C, 19.2 is closest to that.

Answer 22

And I tried it with longer decimals of sin(61) and sin(45) and I got 19.4

Answer 23

ok thanks so much :)

Answer 24

No problem.