Question

Find the value of x.

please help

Answer 1

pythagorus theorem : a^2 + b^2 = c^2
so 1^2 + x^2 = 4^2,
1 + x^2 =16,
x^2 = 16-1
x^2 = 15
x = 15^1/2
x = 3.9 (rounded up)

Answer 2

x=4

Explanation:

4•1=x

x=4