<1 and <2 are congruent because they are a pair of vertical angles.
Answer:
Step-by-step explanation:

Answer:
No
Step-by-step explanation:
No because the 8x^3 is all one term since it is not separated by any signs.
Answer:
21
Step-by-step explanation:
Similar triangles. MNL is just ABC but 3/4 the size.
x = 8*3/4 = 6
perimeter woudl be 6+6+9 = 21
It’s 21.99
Use c=2pi*radius
Diameter divided by 2 = radius