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Question about Circles: Arc Lengths and Areas of Sectors

Math

CMRJ

Circles: Arc Lengths and Areas of Sectors

Medium

(CMRJ 2012) - Question Medium of Math

The symbol of a company is represented in the figure below, where AB and CD are perpendicular diameters in a circle with a radius of 3 cm. The arc CMD has its center at point A and radius AC. Calculate, in cm², the area of the shaded region.
Question illustration
a.
8
b.
7
c.
10
d.
6
e.
9

Answer:

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Curabitur id consequat justo. Cras pellentesque urna ante, eget gravida quam pretium ut. Praesent aliquam nibh faucibus ligula placerat, eget pulvinar velit gravida. Nam sollicitudin pretium elit a feugiat. Vestibulum pharetra, sem quis tempor volutpat, magna diam tincidunt enim, in ullamcorper tellus nibh vitae turpis. In egestas convallis ultrices.
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