Isosceles Review

Isosceles triangles have two congruent _____________ and _____________.

(a)  

△ABC is an isosceles. Which side is the base?

• AB

• AC

• BC

• A

How do you know which side is the base?

• It's the bottom (wrong)

• It is the non-congruent side

• The side with the marks on it

Which two angles are congruent?

• A and B

• A and C

• B and C

Solve for y

• 80 degrees

• 100 degrees

• 50 degrees

• 180 degrees

Solve for x.

• 30 degrees

• 60 degrees

• 180 degrees

• 120 degrees

Solve for m<A

• 176 degrees

• 45 degrees

• 90 degrees

• x

Which angle is the largest?

• A

• B

• C

Which angle is the smallest?

• A

• B

• C

Which side is the shortest?

• AB

• BC

• AC