Answer:
4.5 u
Step-by-step explanation:
There are many ways to do it, the most easier is this:
Area=(b*h)/2
Area of ABD = (3*3)/2 = 4.5 u
Answer:B
Step-by-step explanation:
Answer:
6 blocks have red faced
Step-by-step explanation:
54 blocks have 1 red face