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How many sides do 5 triangles, 1 octagon, and 3 decagons have in all?

Updated: 10/17/2024

Eva Rodriguez ∙

Lvl 2

∙ 3y ago

Best Answer

There's 5 triangles but till 3 sides in each, in Hectagon is 8 sides and the 3 Decagons are still 10 sides on it.

Zhy ∙

Lvl 3

∙ 3y ago

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Q: How many sides do 5 triangles, 1 octagon, and 3 decagons have in all?

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Related questions

How many sides do 5 decagons and 4 triangles have altogether?

A decagon has ten sides and a triangle has three, so 5 decagons and 4 triangles have (5*10)+(4*3) = 62 sides altogether.

How many sides does 5 hexagons 3 octagon and 2 decagons have in all?

There are 74 sides in all.

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

There are ten sides in a decagon and three sides in a triangle. So in 3 decagons and 5 triangles there are 3*10 + 5*3 = 30 + 15 = 45 sides altogether.

Is a polygon is an octagon?

If the octagon is a regular octagon (all eight sides and all eight angles are equal), then it is a regular polygon. If it is not a regular octagon (i.e. if it is an irregular octagon) then is it an irregular polygon.

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 4 decagons 5 heptagons 5 nonagons and 1 octagon have altogether?

A decagon has 10 sides, a heptagon has 7, a nonagon has 9, and an octagon has 8. So 4 decagons, 5 heptagons, 5 nonagons, and 1 octagon have 4*10 + 5*7 + 5*9 = 1*8 sides = 40 + 35 + 45 + 8 = 128 sides

How many triangles make an octagon?

There are 6 triangles in an octagon

How many triangles are there in an octagon?

There are six triangles in an octagon. In any convex polygon, there are two less triangles than the number of sides. So a octagon which has 8 sides, contains 6 triangles.

How many equilateral triangles in an octagon?

In an octagon, there are 20 equilateral triangles. Each side of the octagon can form two equilateral triangles with the adjacent sides, resulting in 8 equilateral triangles. Additionally, the diagonals of the octagon can form 12 more equilateral triangles. Therefore, the total number of equilateral triangles in an octagon is 8 + 12 = 20.

How many triangles make up an octagon?

Eight triangles of equal size form a regular octagon.

How many sides do 2 nonagons and 2 decagons have in all?

38 sides

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