Answer:
=》n = 10
Step-by-step explanation:
here's the solution :-
=》

=》

=》

=》

=》

=》

=》

hence, the value of n = 10
Answer:
c
Step-by-step explanation:
Answer:
Step-by-step explanation:
11/20ths
<span>The first thing to know is that "an" and "a1" are names with subscripts and are and different from multiplication.
an = a1 + (n-1) d
add -a1 to both sides
an - a1 = a1 - a1 + (n-1) d
</span><span>an - a1 = (n-1) d
</span>d = (an-a1)/(n-1)
For the full circle, Area = pi(r)^2
pi x 1^2 = pi
Semi circle = pi/2 = 1.57 square feet