.

Regular pentagon
Right-angled triangle
Parallelogram
Trapezium
a
b
c
d
Arrowhead
Octagon
Isosceles triangle
Rhombus
e
f
g
h
Square
Equilateral triangle
Ellipse
Circle
i
j
k
l
Scalene triangle
Isosceles trapezium
Rectangle
Kite
m
n
o
p

2. a. Congruent

b. Similar

c. Neither