The amount of balls in a given layer can be found by squaring the layer it is in
4 layers
top layer (1st) is 1
2nd is 4
3rd layer is 9
4th is 16
add them up
1+4+9+16=30
30 in that pyramid
Answer: Area: 
Step-by-step explanation:
Step 1: Convert the Expressions


Step 2: Reduce the Numbers


Step 3: Multiply


Step 4: Simplify


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I think the answer is True