Question

What is the value of x?

• 4
• 4(square root of 2)
• 8
• 8 ( square root of 3)

Answer 1

We have two ways to solve this question
1)sin45=4√2 /x
√2 /2 =4√2 /x
X=8
2)Pythagorean theorem
In a 45-45-90 degree triangle
(4√2)^2+(4√2)^2=x^2
X=8