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Anonymous
rectangle
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270 degrees
octagon
The sum of the exterior angles of ANY polygon is 360 degrees.
this is called vertical angles
yo
There are no right angles in a parallelogram. A parallelogram only has right angles if it is a rectangle, in which case it has exactly four.
A parallelogram with no right angles and four congruent sides is a Rhombus.
A parallelogram does not have to be four right angles. A parallelogram is a four sided shape with two parallel lines.
A rhombus is a parallelogram with all four sides congruent to each other with no right angles. A square is a parallelogram with four congruent sides and four right angles.
A rectangle is a parallelogram with four right angles.
no
A parallelogram with four right angles is a rectangle; if the rectangle also has four equal sides, then it is known as a square.
Parallelogram with four right angles and four equal sides is a square.
every parallelogram has 4 angles. a rectangle has four right angles as does the square
parallelogram
Rectangle and square
A square