Respuesta :

Malulu22
1 Dectagon=1•10=10
5 Heptagon=5•7=35
2 Quadrilaterals=2•4=8
_____________________
53 Sides all together
decagons have 10 sides and 5 heptagons have 35 and 2 quadrilaterals have 8 sides so 53 sides in all