1.) The measures of two supplementary angles are in the ratio of 5:7. What are the angles?

1) 15:65
2) 60:120
3) 75:105
4) 180

2.) The lengths of the sides of a triangle are in the extended ratio 4:7:9. The perimeter of the triangle is 100 cm. What are the lengths of the sides?

1. 20:35:40
2. 20:35:45
3. 15:35:50
4. 20:30:50