Y=12, and X=18, it’s a 30 60 90 triangle
The pink one
because it actually can be divided by the top numbers by the bottom and you still get the same answer of the first two
<h2>
Answer:</h2>
C = 2πr
r = C/2π ...(1)
A = πr²
A = π(C/2π)² = πC²/4π²
A = C²/4π.
<u>Correct choice</u> - [A] A = C²/4π.
we know that
The scale factor is equal to

we have

substitute


therefore
<u>the answer is</u>
