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An octagon has eight sides, so three octagons altogether have 8 * 3 = 24 sides.

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Q: How many sides do 3 octagons have?

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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.

A decagon has ten sides, a heptagon seven, and an octagon eight. So in 4 decagons, 4 heptagons, and 3 octagons there are 4*10 + 4*7 + 3*8 = 40 + 28 + 24 = 92 sides altogether.

An octagon has 8 sides. A decagon has 10. So 3*8+10 = 34 sides

A heptagon has seven sides, and an octagon has eight sides. 4 heptagons and 5 octagons then have (4*7)+(5*8) = 68 sides altogether

Related questions

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.

A decagon has ten sides, a heptagon seven, and an octagon eight. So in 4 decagons, 4 heptagons, and 3 octagons there are 4*10 + 4*7 + 3*8 = 40 + 28 + 24 = 92 sides altogether.

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