Thus slant height of cone 42 72 65. Use the Pythagorean theorem to solve for the other side of the triangle. Area ½ b h b base h vertical height.
Check out this colorful and fun video and learn how to find the area of a Rectangle.
Identify the length. Now that youve used the Pythagorean Theorem to find the second side length you can solve for the area. Using information about the sides and angles of a triangle it is possible to calculate the area without knowing the height. Identify the length.