**Option 1**

1 Point K belongs to the segment SD. Find the length of the segment DK if SD = 24.7 cm, SK = 9.8 cm.

No. 2 The ray OS passes between the sides of angle MON. Find angle MOC if angle MON is 101° and angle CON is 49°.

3 One of the angles formed by the intersection of two lines is 52°. Find the degree measures of the other angles.

4 One of the adjacent angles is 68° smaller than the other. Find these angles.

5 Points A, B, C are on the same line. BC = 80 cm, segment AB is 9 times smaller than segment AC. Find segment AB.

**Option 2**

1 Point A belongs to segment BC. Find the length of segment AB if BC = 35.6 cm, AC = 8.9 cm.

No.2 The ray OS passes between the sides of angle EOF. Find angle COF if angle EOF is 83° and angle EOC is 57°.

3 One of the angles formed by the intersection of two lines is 93°. Find the degree measures of the other angles.

4 One of the adjacent angles is 14 times smaller than the other. Find these angles.

5 Points M, K, P are on the same line. MR = 96 cm, segment KR is 5 times smaller than segment MK. Find the segment MK.