This question uses a robot in a grid of squares. the robot is represented as a triangle, which is initially facing toward the right side of the grid. the robot is moved according to the following instructions.
instruction explanation
move forward the robot moves one square forward in the direction it is facing
rotate right the robot rotates in place 90 degrees clockwise (i. e., makes an in-place right turn).
rotate left the robot rotates in place 90 degrees counter-clockwise (i. e., makes an in-place left turn).
repeat n times the block of instructions contained between the braces {} is repeated n times.
consider the following incorrect program, which is intended to move the robot around the perimeter of the grid below, as indicated by the arrows.
line 1: repeat 4 times
{
line 2: move forward
line 3: rotate right
line 4: repeat 4 times
{
line 5: move forward
}
line 6: rotate right
}
which lines of code should be removed so the program will work as intended? select two answers
a. line 2
b. line 3
c. line 4
d. line 5