Lesson 5.1 Formative Assessment

What is a midsegment of a triangle?

• The midpoint of a segment.

• A segment connecting the midpoints of two sides of the triangle.

• The center point of a triangle.

• A segment that cuts a triangle into two congruent parts.

What segment is parallel to JK?

• LK

• NL

• NO

• MO

If LK = 46, what is NM?

• 46

• 23

• 0

• 96

If JK = 5x + 20 and NO = 20, what is the value of x?

• 0

• 20

• 5

• 4

Points E, D, and H are the midpoints of the sides of triangle TUV. UV = 80, TV = 100, and HD = 80. Find the length of HE.

• 80

• 160

• 100

• 40

Points E, D, and H are the midpoints of the sides of triangle TUV. UV = 80, TV = 100, and HD = 80. Find the length of ED.

• 50

• 25

• 100

• 40

Points E, D, and H are the midpoints of the sides of triangle TUV. UV = 80, TV = 100, and HD = 80. Find the length of TU.

• 50

• 160

• 100

• 40

Points E, D, and H are the midpoints of the sides of triangle TUV. UV = 80, TV = 100, and HD = 80. Find the length of TE.

• 80

• 160

• 100

• 40