Question

help me thank you ; ) !

Answer 1

Answer:

• x = 6

Step-by-step explanation:

Similar figures have same ratio of corresponding sides:

• ZY/EF = ZX/DF = XY/DE

Substitute:

• 4 / 8 = 7.5 / 3(x - 1)
• 3(x - 1) = 2*7.5
• x - 1 = 5
• x = 6