Answer:
40 rows will hamsters fill
Step-by-step explanation:
As per the statement:
There are 486 hamsters at a private showing of a new documentary about humans.
⇒Total number of hamsters = 486
It is also given that there are 12 seats in each row.
then;
They will fill = 
Therefore, the best estimate the rows will hamsters fill is 40 rows.
Answer:
Also 10
Step-by-step explanation:
This type of triangle has two sides of equal length
Answer in attachments below.
Hope This Helps
Let's find the area of the outer circle and the inside circle
the inside's circle area
A= π x 6²=36<span>π
the outer's
A' = </span>π x 4x²= 4<span>πx²
A'-A=4</span>πx²- 36π=160πcm² equivalent to x²- 9=40, so x²=49 implies x =sqrt(49)=7, x=7<span>
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