Step-by-step explanation:
How to find x:
tan(45)= 5/x
x = 5/tan(45) [Find on calculator]
How to find y:
Pythagoras' theorem:
a² + b² = c²
5² + x² [value found in first part] = y²
Square root the sum of 5² + x² and the y²
The answer of the square root of the sum is the value of y
