Several things share the name decapod, from the Greek decapoda meaning "ten-legged"
A decagon has 10 sides and 10 angles.
yes of course * * * * * A decagon does NOT tessellate. All triangles and quadrilaterals do, there are 14 tessellating pentagons and a number of hexagons (including regular hexagons). There are no tessellations which use polygons of the same shape - regular or irregular - for polygons with 7 or more sides.
You use he or she when you already have referred to a person in a sentence before, or earlier in the same sentence.
I asked You that question
Example sentence - The teams will converge on the hill at the same time.
Yes, you can as long as the sentence makes sense.
yea
I have a friend that has a broken leg.
I am wondering the same thing
Although you can, you may not.
You wrote with two hands at the same time.