Answer:
21 terms
Step-by-step explanation:
Number of terms = Exponent + 1 = 20 +1 = 21
The answer is 2.23606797 approximately
answer is( ab)
Step-by-step explanation:
here is your answer
Answer:
BD is perpendicular to AC.
Step-by-step explanation:
Because we know that angles ∠BAD and ∠BCD are the same, we can conclude that triangles ΔABD and ΔBCD are congruent. This means that angles ∠BDA and ∠BDC are right angles, and lines BD and AC are congruent.