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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.
What else can I help you with?
How many pairs of parallel lines does a decagon have?
A regular decagon will have 5 pairs of parallel sides, however, irregular decagons can have no parallel sides.
How many sides do 2 nonagons and 2 decagons have in all?
38 sides
How many sides in 3 octagons and 7 decagons?
94
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
How many sides do 4 decagons and 1 quadrilateral have altogether?
4 decagons = 4*10 = 40 sides 1 quadrilateral = 4 sides Total 40+4 = 44 sides.
How many sides do 5 triangles, 1 octagon, and 3 decagons have in all?
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.
How many sides are there in decagons prism?
A decagonal prism has 12 faces.
How many sides do 4 pentagons and 5 decagons have in all?
60
How many sides do 4 decagons and 5 hexagons have altogether?
A decagon has 10 sides, and a hexagon has 6. So in 4 decagons and 5 hexagons there are (4*10)+(5*6) = 70 sides
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 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 sides does 5 hexagons 3 octagon and 2 decagons have in all?
There are 74 sides in all.
