1.5 Triangles

What type of triangle is this? Select all that apply.

• Isosceles

• Scalene

• Right

• Obtuse

• Acute

What type of triangle is this? Select all that apply.

• Scalene

• Obtuse

• Acute

• Isosceles

• Equilateral

Draw, mark, and label an Isosceles Acute triangle ABC that is not a right triangle.

According to the figure, which segments can we conclude are parallel? Select all that apply.

• AB and GH

• CG and GE

• DE and AB

• FI and DG

According to the figure, which segments can we conclude are congruent? Select all that apply.

• CG and HF

• CG and GE

• AB and GI

• BF and FI

• AD and DG

According to the figure, which segments can we conclude are perpendicular? Select all that apply.

• EF and BI

• AB and BF

• AD and CE

• AG and GI

Which coordinates for F would make it so that  $\Delta ABF$  is guaranteed to be a right triangle? Check all that apply.

• (4, -4)

• (0, -5)

• (8, 7)

• (2, 1)

What coordinates of D would guarantee that  $\Delta ABD$  would be an isosceles triangle? Select all that apply.

 

• (4, -4)

• (4, 2)

• (0, 4)

• (4, 0)

• (8, 3)

If point G had coordinates (6, 2), what type of triangle would ABG form?

• Equilateral

• Scalene

• Isosceles

• Right