Since it is in a form of a quartercircle shape, the circle is divided into 4 equal parts. Thus, the area of the quartercircle is:
A = 1/4 x πr²
Solution:
A = 1/4 x π(8)²
= 1/4 x 64π
A = 16π or 50.27 sq.ft
• Bricks needed to cover the hearth:
Conversion: 3 bricks = 1 sq.ft area
Therefore,
Bricks needed = 50.27 x 3 = 150.81 pcs
The bricks needed to cover the hearth is 150.81 or approximately 151 pcs.
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