for away games , football team , coaches and cheerleaders share a bus to travel . 3/4 of the bus is filled with football players , there are 10 cheerleaders, and the rest are coaches . cheerleaders and coaches take up 15 seats on the bus

Statement: if two distinct planes intersect, then their intersection is a line. which geometry term does the statement represent? defined term postulate theorem undefined term

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?