Answer:
B, C, D triangles can be rotated to match up triangle 1
Answer: 4/7
Step-by-step explanation:
A p e x
<em>a = uk/b</em>
<em>u = ab/k</em>
<em>uk = ab</em>
-2/3x+9
91
i think hope it helps
2πrh+2πr²
r=radius (of the circle, top/bottom)
h=height of cylinder