Answer:
Triangles:
Top: Right Triangle
Left: Scalene Triangle
Middle: Isosceles Triangle
Right: Equilateral Triangle
Top Row: Left to right
1. Rectangle/ Parallelagram
2. Pentagon
3. Hexagon
4. Octagon
Bottom Row: Left to right
1. Rectangle/ Parallelagram
2. Square/ Rectangle/ Parallelagram
3. Rhombus/ Parallelagram
4. Rhombus/ Parallelagram
5. Trapezoid/ Parallelagram