Yield signn - worksheet

Figure data (valid for all exercises) Triangle ABC is isosceles, with: AB=12 cm, AC=BC=10 cm. Triangle DEF is located inside ABC, with: DE∥AB, DF∥AC, EF∥BC. The similarity ratio is: 𝑘 = DE / AB = 1/2 1. The length of the segment DE is:

2.The length of the segment DF is:

3. The perimeter of the triangle ABC is:

4. The perimeter of the triangle DEF is:

5. The area of ​​the triangle ABC is:

6. The area of ​​the triangle DEF is: