24 sides
A hexagon has six sides, and an octagon has eight. 3 hexagons and 3 octagons have 3*6 + 3*8 sides = 18 + 24 sides = 42 sides altogether.
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.
64.
There are: (5*12)+(3*8) = 84 sides
No. All 2-dimensional shpaes with 8 sides are octagons; all 3-dimensional shapes with 8 sides are called octahedrons.
An octagon has eight sides, so three octagons altogether have 8 * 3 = 24 sides.
A hexagon has six sides, and an octagon has eight. 3 hexagons and 3 octagons have 3*6 + 3*8 sides = 18 + 24 sides = 42 sides altogether.
There are 64 sides in eight octagons.
94
A decagon has ten sides and an octagon has eight, so in 3 decagons and 5 octagons there are (3*10)+(5*8) = 30 + 40 = 70 sides altogether.
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.
8 Corners and sides.
An octagon has 8 sides. A decagon has 10. So 3*8+10 = 34 sides
64.
There are: (5*12)+(3*8) = 84 sides
All octagons have 8 sides and 8 angles
a octagon have 8 side