Hello!
I just completed this test and if I'm correct in assuming that this is the same problem I did, then your answer would be 18 cm.
Hope this helps! :)
Answer:
that means you need to find the surface area, but not the part that is touching the ground or the bottom.
Answer: X'(-3, -2), Y'(-5, 1), and Z'(2, -3)
Step-by-step explanation:
Upon reflection across the x-axis, the x-coordinates remain the same while the signs of the y-coordinates flip. So, the coordinates will be X(3, -2), Y(5, 1), and Z(-2, -3).
Upon reflection across the y-axis, the signs of the x-coordinates will flip while the signs of the y-coordinates remain the same. So, the coordinates will be X′(-3, -2), Y′(-5, 1), and Z′(2, -3).