ilovemysrlf ilovemysrlf 31-10-2021 Mathematics contestada How many triangles will there be in the 7th term of the following sequence? Δ Δ. Δ Δ.ΔΔΔ.ΔΔΔΔΔ... 1. 19 2. 22 3. 16 4. 8 HELP ILL OUT BRAILEST