If a shape is a regular hexagon with six sides, which of the following must be true? check all that apply. a. it has six lines of symmetry b. it has an unlimited number of lines of symmetry c. it has exactly one line of symmetry d. it has reflectional symmetry

Answer is A and D on APEX.

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last option

step-by-step explanation:

given that δdef is right and isoceles,

assuming that side df is the hypotenuse means that de an ef are the other 2 sides that intersect at 90° and are of equal length.

because they are of equal length, we can say that they are congruent

because they intersect at 90°, their slopes must be opposite reciprocals.

only the last option satisfies these conditions.

30 units^2

step-by-step explanation:

area is l × w

the length is 3

and the width is 10

3 × 10= 30 units squared