H/2 + 21 - k if h=20 and k=89
2 answers:
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Answer:
<h2> A = 27(2√3-π) cm² ≈ 8.71 cm²</h2>Step-by-step explanation:
Area of shaded region it is area of hexagon minus area of circle.
A regular hexagon is comprised of six equilateral triangles (of the same sides).
So its area: {S = side of the triangle}
Height (H) of such a triangle is equal to radius (R) of a circle inscribed in the hexagon:
Area of shaded region:
S = 6 cm
so:
