Question

Find x.

A. 4
B. 4 times the square root of 2
C. 8
D. 4 times the square root of 3

Answer 1

just doing random working out

Answer 2

b is the answer

Answer 3

a/SinA=b/SinB=c/SinC

(4/Sin45)xSin90=8

Answer 4

I disagree and say 8

Answer 5

jayanta explain how you reached your answer

Answer 6

there's no x in those choices...
but i'm guessing 4sqrt2

Answer 7

hmm

Answer 8

(sqrt2)/2 = sin45

Answer 9

can you no do it on a calculator its a big number

Answer 10

just use proportions... this is a 45-45-90 triangle.
so 4*sqrt2 = 4sqrt2