Answer:
14
Step-by-step explanation:
Perimeter= 4× 3.5 in
=14 in
Answer:
are similar
Step-by-step explanation:
simple
Answer:
D
Step-by-step explanation:
To convert from polar to rectangular form
• x = rcosΘ , y = rsinΘ
• r =
⇒ r² = x² + y²
Given
r = 8cosΘ
r = 8 ×
( multiply both sides by r )
r² = 8x, hence
x² + y² = 8x ⇒ D