Question

I don’t understand how this question

Answer 1

x = √51

Explanation:

The given figure is a right triangle.

Using the Pythagorean Theorem to find x

• (Altitude 1)² + (Altitude 2)² = (Hypotenuse)²
• (7)² + x² = (10)²
• 49 + x² = 100
• x² = 51
• x = √51