1. If two numbers are even, then their sum is even.

Converse:

• If their sum is even, then the two numbers are even.

Inverse:

• If the two numbers are not even, then their sum is not even.

Contrapositive:

• If their sum is not even, then the two numbers are not even.

2. If you are Filipino, then you are God-fearing people.

Converse:

• If you are a God-fearing people, then you are a Filipino.

Inverse:

• If you are not a Filipino, then you are not a God-fearing people.

Contrapositive:

• If you are not a God-fearing people, then your are not a Filipino.

3. If two angles are complementary, then their sum is 90°.

Converse:

• If their sum is 90°, then the two angles are complementary.

Inverse:

• If the two angles are not complementary, then their sum isn't 90°.

Contrapositive:

• If their sum isn't 90°, then the two angles are not complementary.