2x + 4x - 21 = 0
6x - 21 = 0
6x = 21
x=3.5
Answer:
∠APC ≅ ∠DPB angles adjacent to the same angle are congruent to each other.
Explanation:
Because they share an angle created by P, they are adjacent.
I hope this helped :)
You can do it this think and if you can't I will help you
For a cuboid's volume you simply go length x width x heigth so 2x4x5 so it's 40.
