Answer:
The yellow polygon is the scaled version of the red one (scaled by 3×), so the variable w = 9
9
Explanation:
The similarity ratio is 4/x = z/9 = 2/6 = 3/w = y/15
2/6 = 3/w cross multiply expressions 2w = 18 and w = 9
5.6m questions
7.3m answers