The Osiris Diamond Company sold two types of diamonds, marque cut for $1200
and princess cut for $1800. It sold seventy
diamonds during a sales campaign for
Christmas. It received $102,000 in sales.
How many diamonds were sold of each
type?
# of Marque Cut Diamonds
# of Princess cut Diamonds

A3cm×3cm\greend{3\,\text{cm} \times 3\,\text{cm}} 3cm×3cm start color greend, 3, space, c, m, times, 3, space, c, m, end color greend rectangle sits inside a circle with radius of 4cm\blued{4\,\text{cm}} 4cm start color blued, 4, space, c, m, end color blued . what is the area of the shaded region? round your final answer to the nearest hundredth.