A seismographic station determines that its distance from the epicenter of an earthquake is 4,000 kilometers. According to the Earth Science Reference Tables, if the P-wave arrived at the station at 10:15 a. m., the time of the earthquake's origin was

(10 points) 1. cone 2. rectangle 3. triangle 4. circle 5. cylinder a. perpendicular cross section of a pyramid b. perpendicular cross section of a cylinder c. parallel cross section of a sphere d. shape created when a rectangle is rotated about the y-axis e. shape created when a right triangle is rotated about the y-axis