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Hemisphere.
A ten-sided polygon is called a decagon.
You can't make a 4 sided shape with a total of 207
Just draw it out. Draw a square with a 3-4-5 right triangle abutting it, laying on its long side with it's short side against the square. The length of the base of the triangle should be about half the length of the square's side. Trace the perimeter of these two objects, and you will get a 5 sided object with: three right edges of a square, with an obtuse angle coming off the side and an acute, reflex angle at the tip of the right triangle.
A right sided triangle.http://upload.wikimedia.org/wikipedia/commons/thumb/e/e9/Triangle-right.svg/460px-Triangle-right.svg.png
A Square and Rectangle are both a Quadrilaterals(A four sided shape)and have both have 4 Right Angles.In addition,a irregular Quadrilateral(A four sided shape of no sides of the same length)may have a right angle( A 90 degrees angle)but it depends on how you draw it on paper.Cretth 2010
A quarangle is a four sided shape so if it's a square it could have four right angles
reflect it
5 sided shape = pentagon ._ /. \ \_/
Draw a square / rectangle, a quadrangle is just a shape with 4 sides, as long as one is a right angle your golden
Hemisphere.
A ten-sided polygon is called a decagon.
You can't make a 4 sided shape with a total of 207
With a pencil and paper
Just draw it out. Draw a square with a 3-4-5 right triangle abutting it, laying on its long side with it's short side against the square. The length of the base of the triangle should be about half the length of the square's side. Trace the perimeter of these two objects, and you will get a 5 sided object with: three right edges of a square, with an obtuse angle coming off the side and an acute, reflex angle at the tip of the right triangle.
Not here. It would resemble a chevron.
draw an octagon then erase one corner and connect it