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

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โˆ™ 2016-05-07 19:23:32
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Q: How many sides do 1 decagon and 3 octagons have altogether?
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Related questions

How many sides do 3 decagons and 5 octagons have altogether?

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.


How many sides do 5 decagons and 5 octagons have altogether?

A decagon has 10 sides and an octagon has 8. 5*8 + 5*10 = 90 sides


How many sides do 1 decagon 5 quadrilaterals 5 octagons and 5 triangles have altogether?

A decagon has ten sides, a quadrilateral has four, an octagon has eight, and a triangle has three. So in 1 decagon, 5 quadrilaterals, 5 octagons, and 5 triangles there are 1*10 + 5*4 + 5*8 + 5*3 = 10 + 20 + 40 + 15 = 85 sides altogether.


How many sides do 4 decagons 4 heptagons and 3 octagons have 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.


How many sides do 3 octagons have?

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


How many sides do 4 heptagons and 5 octagons have altogether?

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


How many sides do 3 hexagons and 3 octagons have altogether?

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.


How many sides do 1 nonagon and 5 octagons have altogether?

A nonagon has nine sides and an octagon has eight, so in 1 nonagon and 5 octagons there are 1*9 + 5*8 = 9 + 40 = 49 sides altogether.


How many sides do 5 octagons and 1 pentagon have altogether?

An octagon has eight sides, and a pentagon has five. So 5 octagons and 1 pentagon have 5*8 + 1*4 = 40 + 5 = 45 sides altogether.


How many sides do 1 decagon and 1 heptagon have altogether?

A heptagon has 7 sides and a decagon has 10 sides, so 7+10 = 17 sides


How many sides does eight octagons have?

There are 64 sides in eight octagons.


How many sides do 5 decagons and 3 pentagons have altogether?

A pentagon has five sides, and a decagon has ten sides. So 3 pentagons and 5 decagons have (35)+(510) = 65 sides altogether

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