Answer:
A = 240 units²
Step-by-step explanation:
the area (A) of a regular polygon is
A =
pa ( p is the perimeter and a the apothem )
here p = 8 × 6 = 48 ( an octagon has 8 sides ) and a = 10 , then
A =
× 48 × 10 = 24 × 10 = 240 units²
-3+4=1 and 1 -5= -4, -4+6=2 AND 2-7=-5 Answer =-5
Answer:

Step-by-step explanation:
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Answer:
I would use it you don't those very often and I'm speaking that out of human answer.