An octagon has 8 sides, so 5 octagons have a total of (5 \times 8 = 40) sides. A quadrilateral has 4 sides, so 3 quadrilaterals have a total of (3 \times 4 = 12) sides. Adding these together, (40 + 12 = 52). Therefore, 5 octagons and 3 quadrilaterals have 52 sides in total.
No
In common with all quadrilaterals it has 4 sides
15
Yes, all rectangles are quadrilaterals because they have four sides and all quadrilaterals have four sides.
It belongs in the class of quadrilaterals that all have 4 sides
It would be 60 sides total. You get this from this equation: 5*(4 sides in a quadrilateral)+ 5*(8 sides in an octogon)= 5*4 + 5*8= 20+40 = 60 sides total / in all
All octagons have 8 sides and 8 angles
Non-quadrilaterals contain triangles, circles, pentagons, octagons, hexagons, and stars.
All quadrilaterals have 4 sides
No
In common with all quadrilaterals it has 4 sides
15
Yes, all rectangles are quadrilaterals because they have four sides and all quadrilaterals have four sides.
It belongs in the class of quadrilaterals that all have 4 sides
All octagons are 8 sided polygons.
37 sides
A rectangle is a quadrilateral. As such, it shares the distinguishing characteristic of quadrilaterals with all other quadrilaterals, and has four (4) sides.