Answer:
3. 9.4cm2
4. Any flat surface of a 3-D object or cube.
Step-by-step explanation:
A face is well flat.
A: 14/16 that is the answer
20
5 and 4 have no common factors until they are multiplied by each other. So if you were to convert your existing measurements, you would do the following.
(3/4) x (5/5)
(2/5) x (4/4)
Giving you 15/20 and 8/20