Answer:
all congruent
Step-by-step explanation:
Answer:
To transform from polar coordinates into Cartesian coordinates we have:
x = r x cos(theta)
y = r x sin(theta)
r^2 = x^2 + y^2
=> r = 2*cos(theta)
<=> r = 2*(x/r)
<=> 2x = r^2
<=> 2x = x^2 + y^2
Hope this helps!
:)
Answer:
9
Step-by-step explanation:
area of a right angled triangle is half×base×height
Answer:
the first and second
Step-by-step explanation: