Answer:
= - 1.3n - 2.4
Step-by-step explanation:
The n th term of an arithmetic sequence is
= a₁ + (n - 1)d
where a₁ is the first term and d the common difference, thus
= - 3.7 - 1.3(n - 1) = - 3.7 - 1.3n + 1.3 = - 1.3n - 2.4
Find the area of the shaded region. Plz help
1 answer:
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Answer:
option D . 254.34cm^2
Step-by-step explanation:
<u><em>The picture of the question in the attached figure</em></u>
The options are:
A . 56.52cm^2
B . 141.30cm^2
C . 1,017.36cm^2
D . 254.34cm^2
step 1
Find the diameter of the largest circle
we know that
The diameter of the largest circle is equal to the sum of the diameter of the two inside circles
so
step 2
Find the area of the largest circle
we know that
The area of the circle is given by the formula
we have
----> the radius is half the diameter
assume
substitute
