LT2C Review

All three angles in a triangle add up (sum) to ___ degrees

Triangle ABC is isosceles. Therefore, angle A is congruent to angle C because...

• 180-34

• Base angles in an isosceles triangle are congruent.

• All three angles in an isosceles triangle are congruent.

• Two sides of an isosceles triangle are congruent.

This is an isosceles triangle. What's the measure of angle x?

• 30 degrees

• 180 degrees

• 150 degrees

• 75 degrees

This is an isosceles triangle. What's the measure of angle x?

• 38 degrees

• 180 degrees

• 142 degrees

• 71 degrees

This is an isosceles triangle. What's the measure of angle x?

• 61 degrees

• 180 degrees

• 119 degrees

• 58 degrees

All four angles in a parallelogram add up (sum) to ___ degrees.

ABCD is a parallelogram. Therefore, angle A is congruent to angle C and angle D is congruent to angle B because...

• Opposite angles in a parallelogram are congruent.

• Opposite sides of a parallelogram are congruent.

• Parallelograms add up to 360 degrees.

• Alternate Interior Angles

In parallelogram ABCD, what's the measure of angle B?

• 60 degrees

• 300 degrees

• 240 degrees

• 120 degrees

In parallelogram ABCD, what's the measure of angle D?

• 60 degrees

• 300 degrees

• 240 degrees

• 120 degrees

ABCD is a parallelogram. What is the measure of angle B?

• 115 degrees

• 245 degrees

• 130 degrees

• 65 degrees