Answer:
Explanation:
By pythagoras theorem, a² + b² = hypotenuse²
1) √8 : 2 units and 2 units:
2² + 2² = 4 + 4 = 8 = (√8)²
2) √7 : √5 units and √2 units
(√5)² + (√2)² = 5 + 2 = 7 = (√7)²
3) √5 : 1 unit and 2 units
1² + 2² = 1 + 4 = 5 = (√5)²
4) 3 : 2 units and √5 units
2² + (√5)² = 4 + 5 = 9 = 3²