Answer:
m∠2 = 90°
Step-by-step explanation:
Here's a postulate:
If a line is perpendicular to another line, then they make up 90° on both sides.
OR
If a⊥b, then ∠ are 90°
Answer:
#4 is not always true, only when it's a square.
Answer:
89
Step-by-step explanation:
100/36= 2.77777778
2.77777778·32 = 88.8888889
89
Answer:
C
Step-by-step explanation:
A = r^2 h/3
A= 235.62
B = r^2 h
B = 235.62
They are equal