Eriko cuts out a paper quadrilateral with two angles that each measure 60° and two angles that each measure 120°. Only two of the sides have a length of 3.2 inches.

Select all of the possible quadrilaterals that Eriko could have made.

The possible quadrilaterals that Eriko could have made are parallelogram and isosceles trapezoid

The angles are given as:

The side lengths are given as:

If the angles at the opposite corners are equal, then the shape is a parallelogram.

However, if the angles on the same base are equal, then the shape is an isosceles trapezoid

Read more about quadrilaterals at:

link

The quadrilateral is Parallelogram.

Step-by-step explanation:

A quadrilateral is a four-sided regular polygon.

A parallelogram is a quadrilateral.

The opposite sides of a parallelogram are parallel and equal in length.

The opposite angles of a parallelogram are also equal.

In this case the quadrilateral is defined as follows:

Consider the quadrilateral ABCD below.

The quadrilateral ABCD is Parallelogram.

d. bc = 12 and ef = 16

step-by-step explanation:

we are given that δabc : δdef such that .

also, it is given that

so, from the options, we need that .

a.

b.

c.  

d.

as, we can see that only option d gives the same ratio as i.e. .

hence, the possible lengths are bc = 12 and ef = 16.

where are the choices?