Answer:
15,625
Step-by-step explanation:
5^6
Answer:

Step-by-step explanation:
We are given the following in the question:

We have to prove:

Proof:

we can write:

Hence, the two triangle are congruent by SAS congruency rule.

The attached image shows the two triangle.
Answer:
she used square unit instead of cubic units
in calculating the volume of the pyramid she didn't multiply by 1/3
she subtracted the pyramid volume instead of adding it