Question

Classwork 8.2 Find X 45 45

Answer 1

1) x = 4√2

2) x = 8√2

Explanation:

1. sin (45^o) = (4/x)

or x = 4/sin(45^o)

or x = 4/(1/√2)

therefore, x = 4√2

2. Using Pythagoras theorem

x^2+x^2 = 16^2

or 2x^2 = 256

or x^2 = 128

therefore, x = √128 = 8√2