lildebiecakes
20.05.2020 •
Mathematics
I'm stuck on the last question of my maths test online. Please help!
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Ответ:
angle CAX = 54° (180-72-54) (Alternate angle)
angle BCA = 72° (180-54-54) (Alternate angle)
angle BAC = 54° (180-72-54) (total 180°)
Ответ:
The 50th term is -6 + (50-1)6 = 288
The general term for an arithmetic sequence is An = A1 + (n-1).d, where d is the common difference between consecutive terms.