and are two parallel planes, and , , and are drawn to intersect the plane at the points , , and , respectively, and the plane at the points , , and , respectively, where the point doesn’t belong to any of the planes. Given that , , , and , determine the area of the .
Given that the plane is parallel to the plane , find the values of and .
, , and are three parallel planes intersected by two coplanar straight lines and , where . If , find the length of .