Daniela needs to cut a rectangular hole in a wall where a new window will be installed. the window will be 4 feet high and 3 feet wide. she draws the outline for the window on the wall. if the only measurement tool that she has is a measuring tape, how can she be sure the shape she drew is a rectangle?

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)