Answer:
Below.
Step-by-step explanation:
2 + 3 + 4 = 9 so
the smallest side = 2/9 * 45, the next = 3/9 * 45 and the longest = 4/9 *45.
= 10, 15 and 20 cm.
parellel planes do not intersect
non-coplanar also dont
-10/3
because its a proper fraction and it can't be a mixed number
