Seudónimo Seudónimo

02-05-2017
Mathematics

contestada

What is the value of x?

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

What is the value of x 4 4square root of 2 8 8 square root of 3 class=

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frankxiangfeng frankxiangfeng

02-05-2017

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

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