ΔACD is similar to ΔBCD by AA similarity theorem
AD/AC = BD/BC
x/5 = 4.2/6
6x = 21
x = 3.5
Hope this helps! ;)
1. 6:3
2. 6:2
3. 3:18
4:5:6
5:13
6:x
7:x
8: check
9:check
10: x
Answer: 6.79
Step-by-step explanation:
Multiplying by 10 allows you to move the decimal to the right by one place value.
Answer:
Step-by-step explanation
Do some practice problems or test online.