" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
7²=2²+H²
49=4+H²
H²=49-4
H=√45
H=3√5cm
V=a²H=4×3√5=12√5 cm³
Pp=2a²+4ah=2×4+4×2×3√5=8+24√5=8(1+3√5) cm²