Question Progress Homework Progress
45.5
5796
The diagram shows a rectangle.
0.5 cm
Not drawn accurately
7 cm
Four of these rectangles are put together as shown.
Not drawn accurately
Calculate the shaded area.
Area of a Rectangle
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Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)