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.
When asked the maximum time a dog should be left alone, 52% of canine owners said 5 hours, 17% considered 6 hours the ideal limit, while 15% said 8 hours. A frightening 4% believe a dog is fine on its own for upwards of 10 hours. In Canada, the question of how long is too long has sparked a fierce debate.