Answer:
no triangle given try to use a = 1/2(b x h) for the area
Step-by-step explanation:
Answer:
Step-by-step explanation:
The series is missing from the question. I will answer this question with a general explanation by using the following similar series:

Required
The series
To do this, we simply replace n with the values
means n starts from 0 and ends at 6
means the series is a summation series
So, we have:

