Answer:

Step-by-step explanation:
From the question we are told that:
Arc
Arc
Given The angle of intersecting chords theorem
Generally the equation for angle BEC is mathematically given by



Answer: 28
Step-by-step explanation: In the ratio 5:2 victor has 3 more parts than ilya. this means 3 parts is equal to 42 tools, so 1 part equals 14 tools. To change the ratio to 3:4 victor must give 2 parts to ilya. 2 times 14 is 28.