Q: How many sides do 1 pentagon and 4 do decagons have in all?

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38 sides

There are (2*5) plus (5*10) = 60 sides

An octagon has 8 sides and a pentagon has 5 sides so it follows that 8+5 = 13 sides

A pentagon if all sides are equal - if they are not it is called a polygon

yes. The word "pentagon" itself means 5 sides.

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Each decagon has 10 sides, each nonagon has 9 sides and each pentagon has 5 sides. 4 decagons make 40 sides, 2 nonagons make 18 sides and 2 pentagons make 10 sides. When you add them all up together, you get 68 sides in total.

38 sides

There are 74 sides in all.

There are 12 sides in a dodecagon, 5 in a pentagon, and 10 in a decagon. So in 4 dodecagons, 3 pentagons, and 2 decagons there are 4*12 + 3*5 + 2*10 = 48 + 15 + 20 = 83 sides altogether.

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.

There are (2*5) plus (5*10) = 60 sides

it has 5 sides A pentagon has five sides. "Regular" means that they are all the same length. A pentagon has 5 sides. 5 There are 5 sides in a regular pentagon a plane figure with five sides and angles There are 5 sides 5 5 sides

It still has ten sides, same as a normal decagon. "Irregular" simply means that all the sides and angles of the decagon are not congruent.

A decagon has 10 sides, and a hexagon has 6 sides. To figure out the total number of sides for 5 decagons and 5 hexagons:Number of Sides = 5(10) + 5(6)Number of Sides = 50 + 30Number of Sides = 80

An octagon has 8 sides and a pentagon has 5 sides so it follows that 8+5 = 13 sides

A pentagon if all sides are equal - if they are not it is called a polygon

A decagon has ten sides, a hexagon has 6, a nonagon has nine, and a triangle has three. So 2 decagons, 1 hexagon, 4 nonagons, and 2 triangles have 2*10 + 1*6 + 4*9 + 2*3 = 20 + 6 + 36 + 6 = 68 sides altogether.