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Answer:
First find the hypotenuse of the small triangle then use that value as the base of the upper triangle. Evaluate the equation formed with the “x"
recall that
1² = 1
1⁴ = 1
1⁸⁹⁹⁹⁹⁹⁹⁹⁹ = 1
it should be the 3rd one
Step-by-step explanation:
=
The n th term of a geometric sequence is
Substitute in values
= 320 ×
= 320 × = = = 0.625