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the 15 is on the long side and the 22 is where you put the x

i dont know how to do that

OH WHOOPS HOLD ON, let me draw the diagram again

ok :)

|dw:1433103357038:dw|

the 22 is where you put the x

nope, "base angle" means the angle on the bottom

"altitude" is the height of the triangle

oh

anyway, sin(22) = opposite/hypotenuse = x/15
solve for x

f 13.9
g 9.0
h 5.6
j 6.1
these are the awncer choices

alright, we know that sin(22) = x/15, so what is x?

um how do i do that ?

hint:
a = b/c
b = c*a

so do i use a calculator

now look at what I wrote before:
sin(22) = x/15

yes

what do i put into the calculator

I'm trying to help you figure it out on your own
let's try an easier problem:
2 = x/4, what is x?

idk i never learned sin and that stuff because i was new to the school and they already tought that

no, please try again

what number gives you 2 when you divide it by 4?

what is 8 divided by 4?

great! so, what number gives you 2 when you divide it by 4?

excellent!
so, if 2 = x/4, then x = 8, because 8 divided by 4 is 2

in order to find x, we multiplied 2*4

oh

so would i do something like that to get my awncer to the first question

yup!
so, if sin(22) = x/15, what is x?

what two numbers do you need to multiply to get x?

15 and 22 ?

not quite
what is on the left side of the equation?

22

no, the whole thing

sin(22)

great! so, what do you multiply to get x?

22

no, please think again

sin(22)

yes! so, what do you multiply to get x?

sin(22)

you need to multiply TWO things, what's the other number?

sin(22), and....?

15

YES!, sin(22) and 15!

x = sin(22) times 15

and that gives me 5.6

excellent work, you're done

thank you so much !!!!!