Revision for Midterm 2

What is the sum of the angle measures of a 28-gon?

• 5400

• 5040

• 4680

• 4860

The sum of the measures of two exterior angles of a triangle is 263. What is the measure of the third exterior angle?

• 83

• 87

• 97

• 107

Find the values of the variables in the parallelogram.

Find AM in the parallelogram if PN =13 and AO = 4.

• 13

• 4

• 6.5

• 8

Which description does NOT guarantee that a quadrilateral is a rectangle?

• a quadrilateral with all four angles right

• a parallelogram with congruent sides

• a quadrilateral with all congruent angles

• a quadrilateral with diagonals that are congruent and bisect each other

In the coordinate plane, three vertices of rectangle ABCD are A(0, 0), B(0, a), and D(b, 0). What are the coordinates of point C?

The two rectangles are similar. Which is the correct proportion for corresponding sides?

Are the two triangles similar? How do you know?

• yes, by SAS ~

• yes, by SSS~

• yes, by AA~

• no