Step-by-step explanation:
find the hypotenuse :
h² = (2√5)² + (2√2)²
= 20+8
= 28
h = √28 = 2√7 in
Answer:
x = 2√7
x² = (2√5)² + (2√2)²
x² = 4 × 5 + 4 × 2
x² = 20 + 8
x² = 28
x = √28
x = √(4 × 7)
