Answer:
Pentagon consists of 5 congruent
triangles. calculate the area of one
triangle.
A..area
b..base
a....apothem
A=1/2ba
A=1/2×25.7×17.7
A=227.45
Multiply the area by 5 to get the area of
the pentagon.
A= 227.45 x 5
A = 1137.23cm²
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