Which expression represents the number of sides in the polygon for the nth member of the pattern? a) n + 3 b) n3 c) n + 2 d) 3n

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step-by-step explanation:

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,