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How many rotational symmetries does a ellipse have?
An ellipse has rotational symmetry of order 2.
How many reflectional symmetries does an isosceles triangle have?
I think 5
How many angles does an isosceles trapezoid have?
Every Trapezoid has 4 angles.An isosceles trapezoid has 2 acute angles.?
How many rotational symmetries does a seven pointed star have?
A seven-pointed star has seven rotational symmetries. This means it can be rotated in increments of ( \frac{360^\circ}{7} ) and still appear unchanged. Each of these rotations corresponds to one of the seven points of the star. Therefore, the total number of rotational symmetries is equal to the number of points.
How many sides of a trapezoid have to be congruent to make it an isosceles trapezoid?
Two of the end sides.
How many rotational symmetries does a octagon have?
It has 8 rotational symmetry.
How many rotational symmetries does a sphere has?
Infinitely many.
How many rotational symmetries does a ellipse have?
An ellipse has rotational symmetry of order 2.
How many rotational symmetries are in the letters Aand I?
2
How many reflectional symmetries does an isosceles triangle have?
I think 5
How many rotational symmetries does a regular pentagon have?
5
How many reflection and rotational symmetries does an octagon have?
9 reflection
How many Rotational symmetries does a regular 18-gon have?
18
How many rotational symmetries does the capital letter N have?
Two.
How many angles does an isosceles trapezoid have?
Every Trapezoid has 4 angles.An isosceles trapezoid has 2 acute angles.?
How many angles an isosceles trapezoid have?
Every Trapezoid has 4 angles.An isosceles trapezoid has 2 acute angles.?
How many symmetry lines are there in a hexagon?
A regular hexagon has 6 rotational symmetries (rotational symmetry of order six) and 6 reflective symmetries (six lines of symmetry).
