Which statement is TRUE for the given triangles? A) The triangles are similar because the ratios of the corresponding sides are
the same. B) The triangles are not similar because they are not the same size. The triangles are not similar because they are not equilateral. D) Similarity cannot be determined because angle measurements are not given.
1 answer:
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Andrea is designing the seating arrangement for a concert in her local park. The number of seats in row 20 would be 86 seats.
<h3>What is the Arithmetic Sequence?</h3>Arithmetic sequence is a sequence where each consequtive term has a common constant difference.
An arithmetic sequence, therefore, is defined by two parameters, viz. the starting term and the common difference.
The arithmetic sequence formula is;
aₙ = a + (n − 1)d,
where;
a is the first term
n is the position of the term in the sequence
d is the common difference
aₙ is the nth term of the sequence.
Our sequence is 10, 14, 18, 22 up to row 20.
Using the sequence formula;
Thus, the number of seats in row 20 was 86 seats.
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