= 11( - 1)
Step-by-step explanation:
The sum to n terms of a geometric sequence is
=
where a₁ is the first term and r the common ratio
Here a₁ = 11 and r = = = 2 , then
= = 11 ( - 1)
Answer:
what do answer choices c & d say ?
Answer:
A) No, because angle 1 and angle 5 are not congruent.
Step-by-step explanation: