Two quadrangles have equal areas, perimeters and corresponding angles. Are such quadrilaterals necessarily congurent ?
Problem
Source: 2021 Oral Moscow Geometry Olympiad grades 10-11 p2
Tags: geometry, perimeter, congruent
Source: 2021 Oral Moscow Geometry Olympiad grades 10-11 p2
Tags: geometry, perimeter, congruent
Two quadrangles have equal areas, perimeters and corresponding angles. Are such quadrilaterals necessarily congurent ?