<span>1.perpendicular bisector.
2.midpoint.
3.perpendicular bisector.</span>
Actually, the area of a triangle is a = bh/2. If a = 30 and b = 12:



So he height is 5 units
Answer:
a) Yes
Step-by-step explanation:
Because, 3+7=10
Answer:
ummm i think its B?
Step-by-step explanation:
circurference of gear = 2πr
= 2π(10)
= 62.83185307 inches
= 62.83 inches (4sf)