Answer:

✏️Answer

1.side-angle-side

2.angle-side-angle

3side-side-side

4.corresponding parts of congruent triangles are congruent.

Answer:

1Activity B.

2. The user does not have to dial a number, so walkie-talkies are also easy to use. To speak, the user can press the push-to-talk (PTT) button. Then, he or she can stop holding the button to let the sound from other walkie-talkies come in.