Answer: A
Step-by-step explanation:image of insect under microscope = scale factor × insect size = 160 × 2 = 320 millimeters
Answer:
X = 20.6 inches
Step-by-step explanation:
Pythagorean Theorem: 
A = 41.2 in, while B = 35.7 in and we are solving for C.


Now solve for C

Take the square root

Answer:
20pi or 62.83
Step-by-step explanation:
when r=4
pi r^2
16pi
when r=6
pi r^2
36pi
36pi-16pi=20pi or 62.83
84 times 2 equals 168 in multiplication
Answer:
Perimeter = 40.9544511501
Area = 142.407864951
Step-by-step explanation: