Bonjour,
Pythagore
38² = 18² + h²
38²- 18²= h²
1 444- 324 = 1 120
h² = 1 120
h = √1 120
h= 33,466 m
Volume:
(aire base * h/3
(18*18 * 33, 466)/3
= 10 843m³
