Answer: -30
Step-by-step explanation: im pretty sure this is correct
Let width = x, Therefore the length must equal 2x
Therefore insert these values on the sides of a rectangle.
Add: 2x + 2x + x + x = 18
Therefore 6x = 18
x = 3
Answer:
that seems very hard i dont think there is a inverse maybe there is but it dont seem like it
Answer:
39°
sum of triangle's interior angles: 180°
180°-90°-51°=39°