Answer:I am pretty sure it is the angels because the square can be a right and the roofs can be acute.
Step-by-step explanation:
Right angle is 90 degrees
Acute is less than 90 degrees
Obtuse is more than 90
Answer:
4.5 I think
Step-by-step explanation:
<span>
(-1 + -4x)(4 + -5x) = 0</span>