Select all the figures with 180° rotation symmetry. A. image A: right, isosceles triangle

B. Image B: rectangle

C. Image C: square

D. Image D: regular pentagon

E. Image E: regular hexagon

plz help me

A figure with a rotation symmetry will look the same, when rotated. The figures with rotation symmetry are:

B: rectangle

C: square  

E: regular hexagon

For a shape to have a rotation symmetry, the following must be true.

Options (a) and (d) do not meet any of the above conditions.

However, the stated conditions are true for options (b), (c) and (e); because they have parallel & equal opposite sides; and they have an even number of sides.

Hence, the rectangle, the square and the regular hexagon have a rotation symmetry

See attachment for an illustration of rotation symmetry.

Read more about rotation symmetry at:

link

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

2/3

step-by-step explanation: