Answer:
-3 does not belong because it is not an algebraic expression unlike the others.
Answer:
$5?
Step-by-step explanation:
3 x 4=12
12 is a dosen
1.25 x 4=5
Perpendicular lines meet each other always at an angle of 90 while intersecting lines may or may not have an angle of 90.
Their opposite angles(made by intersecting lines) are always same.
And even, we can say every perpendicular lines as intersecting but can't say that every intersecting line is perpendicular.
Answer:
104°
Step-by-step explanation:
The straight line for 
forms an angle of 180°
Therefore,
Answer:
28"
Step-by-step explanation:
the length of the other non-hypotenuse side =
√(53² - 45²) =√(2809-2025) =√784 = 28"
