How do you find the area of an ellipse with a minor semi-axis of 8 inches and a major semi-axis of 9 inches? Geometry Perimeter, Area, and Volume Perimeter and Area of Non-Standard Shapes 1 Answer Douglas K. Jul 16, 2017 #"Area" = piab# where "a" is the semi-major axis and "b" is semi-minor axis. #"Area" = 72pi" in"^2# Answer link Related questions A rectangle is 12cm longer than its wide. It's perimeter is 68m, how do you find it's length and width? If the area of a square is 225 cm2, what is perimeter? How do you find the perimeter and area of a square with side 6 1/2 in? The length of a rectangle is 3 times its width. If the area of the rectangle is #"192 in"^2#,... A square has a perimeter of 36 inches. What is the area? If a semi circle has a diameter of 4cm then what is the perimeter? A painting measures 12 inches by 16 inches and is surrounded by a frame of uniform width around... A clear plastic prism has six faces, each of which is a parallelogram of side length 1 meter. A... How do you find the area of a trapezoid when you have the length of every side but not the height? The area of a trapezoid is equal to half of the product of the height and sum of the bases. How... See all questions in Perimeter and Area of Non-Standard Shapes Impact of this question 1680 views around the world You can reuse this answer Creative Commons License