Answer: 
Step-by-step explanation:
The measure of the third unknown arc is
.
So, 
The area of a regular polygon<span> is given by the formula which is expressed as:
</span>area = (½)(apothem<span>)(perimeter)
</span>
We calculate as follows:
area = (½)(7<span>)(7.2 x 5)
</span>area = 126 square units
Hope this answers the question.
Answer:
the answer would be 7x-8. i hope this helped. :).
Step-by-step explanation:
yepppp
Answer:
23 Cm(2)
Step-by-step explanation:
Sincerest Apologies if it is incorrect
if it's not 23 it may be:
26 Cm(2)
It isn't proportional because 3/4 is proportional to 9/16 not 9/15.