Answer:
3x - 24 = 81
3x = 81 + 24
3x = 105
x = 105 / 3
x = 35
Step-by-step explanation:
The answers to the questions
The last one. And I did answer for you too.
Answer:

Step-by-step explanation:
AD = 4
AC = 11
DC = 11 - 4 = 7
First, find BD using the right triangle altitude theorem:

Plug in the values


Use pythagorean theorem to find x:
x² = AD² + BD²
Plug in the values





Take the square root of both sides




Answer:
1. Angle ABC = Angle DEF
2. Angle BCA = Angle EFD
3. Segment AC = Segment DF
4. Segment BA = Segment ED