Question

what is A QUADRILATERAL??​

Answer 1

Answer:

please mark me as brainlest

Step-by-step explanation:

quadrilateral is a polygon in Euclidean plane geometry with four edges and four vertices. Other names for quadrilateral include quadrangle, tetragon, and 4-gon. A quadrilateral with vertices A, B, C and D is sometimes denoted as {\displaystyle \square ABCD}. Wikipedia

Area: ½ x diagonal x (sum of perpendicular heights)

Perimeter: sum of sides of the quadrilateral

Number of vertices: 4

Number of edges: 4

Internal angle: 90° (for square and rectangle)

Sum of interior angles: 360°

Answer 2

Answer:

a quadrilateral is a 2d figure shape which has only four sides. for example- square , rectangle, parallelogram and etc.

that's your answer

hope this will help you dear

Mark as brainiest answer

give me thanks