Rounded Corner trapezium

<?xml version="1.0" encoding="utf-8"?>
<vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="355dp"
    android:height="320dp"
    android:viewportWidth="355"
    android:viewportHeight="320">

    <group
            android:name="Page-1">
        <path
            android:name="Rectangle"
            android:fillColor="#51DFB4"
            android:fillType="evenOdd"
            android:strokeWidth="1"
            android:pathData="M42,-8.52625262e-14 L292,-8.52625262e-14 L292,-9.9475983e-14
C326.793939,-1.05867572e-13 355,28.2060608 355,63 L355,264.988231
L355,264.988231 C355,295.363892 330.375661,319.988231 300,319.988231
C289.56831,319.988231 279.351726,317.021576 270.542409,311.43444
L21.8271493,153.691695 L21.8271493,153.691695 C8.23555503,145.071495
-4.0619478e-14,130.095996 -4.97379915e-14,114.001299 L-2.84217094e-14,42
L-2.84217094e-14,42 C-3.12623952e-14,18.8040405 18.8040405,-8.81096411e-14
42,-9.23705556e-14 Z" />
    </group>
</vector>

How did you find the path??

How did you find the path??

I don't really remember, it's been a while.
Can you share your specific requirement?