Question

Please i need help so badly

Answer 1

9 units

Concept Used:

Pythagorean Theorem: a²+b²=c²

(a: Perpendicular, b: Base and c: Hypotenuse of the right-angled triangle)

Surds Operations

Explanation:

It is evident that the Hypotenuse is the missing side.

Using Pythagorean Theorem:

`c=\sqrt{(7)^2+(4√(2))^2}\\c=√(49+32)\\c=√(81)\\`

c = +9 units (distance is a scalar quantity and cannot be -ve)