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:
D
DDDDDDDDDDDDDDDDDDDDDDDDDDDD
Step-by-step explanation:
Y^2 = 12^2 - 6^2
y^2 = 144 - 36
y^2 = 108
y = 6<span>√3
</span>
answer is <span>B.6√3</span>
Answer:
adding equal no. to both sides of the equation