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Mathematics, 26.03.2021 19:50 arielcainess

5. Dana is creating an art project. She is drawing circles within circles. Each circle that she draws is.8 the size of the
previous circle. If her initial circle had a diameter of 60 cm.
How large is the diameter of the 3rd circle she draws? (You
must use one of the formulas on the reference sheet).
Arithmetic Sequence
an = a + (n-1)d
Geometric Sequence
4, = appon-1
Geometric Series
S
ay-ar"
wherer #1
n
1-r

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Answers: 1

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