Question

Find the value of x.

Answer 1

For a simpler explanation :

Since there are 2 angles that are equal to each other, this is clarified as an isosceles triangle.

-> The 2 sides (in this case the 2 sides not x) are equal to each other. Therefore we know the second side, is 8.

Now, we can apply the Pythagorean theorem, as a right angle is given.

->
`x^(2) = 8^(2) + 8^(2) - > x = \sqrt{8^(2) + 8^(2) } = √(128) = 11.31370...`

Rounds to :
2 d.p : 11.31
3 d.p : 11.314
4 d.p : 11.3137