True Or False, 1. All triangles if combined with another triangle will form a parallelogram., 2. Triangles and quadrilaterals are polygons., 3. The triangle2019s area formula is one-half of the quadrilateral2019s area formula., 4. A rhombus is a special kind of a rectangle., 5. All parallelogram can be classified as rectangle, rhombus and square., 6. All that is both a rectangle (90\xb0 angles) and a rhombus (all equal sides) is a square., 7. All squares are rhombi., 8. Total angle degrees of triangles equals 180\xb0 while quadrilaterals equals 360\xb0., 9. Trapezoids and kites are also classified as quadrilaterals., 10. Some squares are rectangles., Correct and complete answer-brainliest, Nonsense-report