Answer:
Length of the prism is 9 cm.
Step-by-step explanation:
We are given,
A rectangular prism with volume 72 cm², width 2 cm and height.
As, we know,
Volume of a rectangular prism = Length × Width × Height
i.e. 72 = Length × 2 × 4
i.e. 72 = Length × 8
i.e. Length =
i.e. Length = 9 cm.
Hence, the length of the prism is 9 cm.
A certain journey by train takes 5 hours at the speed of 45 km/h. What will be the speed of the train to complete the same journey in 3 hours?
Its C and D
Differentiate
f'(5):-
Option C