<u>Statement</u> <u>Reason</u>
1. altitude AD bisects ∠BAC 1. Given
2. DB is congruent to DC 2. definition of bisect
3. m∠BDA = 90° 3. definition of altitude
4. m∠CDA = 90° 4. definition of altitude
5. m∠BDA = m∠CDA 5. transitive property
6. AD is congruent to AD 6. reflexive property
7. tri BDA is congruent to tri CDA 7. SAS
8. AB is congruent to AC 8. CPCTC
9. tri ABC is isosceles 9. definition of isosceles
Answer:
d
Step-by-step explanation:
The answer your looking for is 10x
Answer:
a ) If r ⇒ p
If q ⇒ p
r ∪ q
If r∪p ⇒ ¬ r
∴ s
b) The argument is invalid
Step-by-step explanation:
The argument is invalid because we do not with precision if b), because we do not have enough information about it, and this is because the previous sentences does not mention information about the donkey. We cannot infer something when we do not have enough information.
