Prove: e f 4. Prove the theorem: Angles, whose sides are parallel, respectively, are equal to each other, or their sum is 180 Â° Guidance: First case: Given: AC BD, AE BF; Prove: A B= Second Case: Given: AC BD, AE BF; Prove: A B 180+ = Â° 5. ABC is isosceles (AB AC=) Given: DE BC Prove: ADE is isosceles.
For the health and well being, you should not leave your pet home alone too long. Adult dogs (those over 18 months of age) can be left alone four to six hours a day. Young puppies should not be left alone for long periods during the day â around two hours a day is the limit.
None. No dog should be left alone for more than 4 hours on a regular basis and especially not a puppy! If you go ahead with this, can you either get home a lunchtime to take him out for a walk, or find somebody who can come in.o dog should be left alone for more than 4 hours on a regular basis and especially not a puppy! If you go ahead with this, can you either get home a lunchtime to take him out for a walk, or find somebody who can come in.