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Marina CMI [18]
3 years ago
7

Consider the figure in the diagram above. ABJK is a rectangle. There are two semicircles cut out of the rectangle. AB=8cm; AJ=18

cm Find the area of the shaded portion. You must show all of your work to get credit

Mathematics
1 answer:
RUDIKE [14]3 years ago
3 0
First find the area of the rectangle, then remove the circular area.

AB * AJ = 8 * 18 = 144 sq cm

Circle = \pi r^{2}
=\pi 4^{2}
=3.14 * 16
=50.24 sq cm

144 - 50.24 = 93.76 sq cm shaded area.
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