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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.

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Zhy

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2y ago
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Q: How many sides do 5 triangles, 1 octagon, and 3 decagons have in all?
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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.


How many triangles are there in an octagon?

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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


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How many equilateral triangles in an octagon?

Oh, dude, an octagon has 8 sides, right? So, if you draw all the diagonals from one vertex, you'll get 4 equilateral triangles. But, like, if you count all the equilateral triangles in the octagon, there are actually 20 of them. Math can be pretty wild, huh?


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Eight triangles of equal size form a regular octagon.


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

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