Note: Your teacher will grade your responses to questions 7–10 to ensure you receive proper credit for your answers.

State whether triangleABC and triangleAED are congruent. Justify your answer.

Triangles ABC and AEC are labeled on a diagram.

In order to determine if triangle ABC and triangle AED are congruent, we need to compare their corresponding sides and angles.

From the information given, we know that triangles ABC and AEC share two corresponding angles, angle A and angle C. This is because these angles are formed by the intersection of the same two lines, AC and EC.

Additionally, we know that the lengths of corresponding sides in triangles ABC and AEC are equal. This is because segment AC is a shared side between the two triangles.

Therefore, by the angle-side-angle (ASA) congruence criterion, we can conclude that triangle ABC and triangle AED are congruent.

To determine whether triangle ABC and triangle AED are congruent, we need to consider their corresponding sides and angles.

First, we'll compare the corresponding sides:

- Side AB in triangle ABC corresponds to side AE in triangle AED.
- Side BC in triangle ABC corresponds to side ED in triangle AED.
- Side AC in triangle ABC corresponds to side AD in triangle AED.

Next, we'll compare the corresponding angles:

- Angle BAC in triangle ABC corresponds to angle DAE in triangle AED.
- Angle ABC in triangle ABC corresponds to angle EDA in triangle AED.

Now, let's analyze the information we have:

- Side AB in triangle ABC is congruent to side AE in triangle AED. (Given)
- Side BC in triangle ABC is congruent to side ED in triangle AED. (Given)
- Side AC in triangle ABC is congruent to side AD in triangle AED. (Not provided)

- Angle BAC in triangle ABC is congruent to angle DAE in triangle AED. (Not provided)
- Angle ABC in triangle ABC is congruent to angle EDA in triangle AED. (Not provided)

Based on the provided information, we can only conclude that two sides of triangle ABC are congruent to two sides of triangle AED. We do not have enough information to determine whether the remaining side and angles are congruent. Therefore, we cannot conclude that triangle ABC and triangle AED are congruent.

To determine if two triangles are congruent, we need to compare their corresponding sides and angles. Since we have triangles ABC and AED, we need to compare the corresponding sides and angles of these triangles.

1. Corresponding Sides: We need to check if the lengths of the sides in triangle ABC are equal to the lengths of the corresponding sides in triangle AED. Take a ruler or measuring tool and measure the lengths of AB, BC, and AC in triangle ABC, and AE, ED, and AD in triangle AED.

2. Corresponding Angles: We also need to check if the measures of the angles in triangle ABC are equal to the measures of the corresponding angles in triangle AED. To do this, use a protractor to measure the angles of ABC (angle A, angle B, and angle C) and AED (angle A, angle E, and angle D).

After measuring the sides and angles, compare the measurements of triangle ABC and AED. If all corresponding sides are equal in length and all corresponding angles are equal in measure, then triangle ABC and AED are congruent.

Remember to write down your measurements and observations to justify your answer.