Answer:
36
Step-by-step explanation:
Using the angle addition postulate
angle 1+angle 2+angle 3=180
Angle 2 is 90 degrees,
Angle 1 is 2x degrees
Angle 3 is 3x degrees
Plug this into equation




Plug 18 into 2x

Answer:
A rhombus
A rhombus is a flat-shaped quadrilateral-
Answer:well i do know what exaclty what you were reading so i have no clue add a coment about it ill read then answer :)
Step-by-step explanation:
Answer: -300 meters
Step-by-step explanation: If he started from 0 (sea level) and went 300 meters under, meaning 0-300=-300 meters.