### Learning Math and Coding with Robots

 Grid: Tics Lines: Width px Hash Lines: Width px Labels: Font px Trace Lines: Robot 1: Width px Robot 2: Width px Robot 3: Width px Robot 4: Width px
 Axes: x-axis y-axis Show Grid Grid: 24x24 inches 36x36 inches 72x72 inches 96x96 inches 192x192 inches Quad: 4 quadrants 1 quadrant Hardware Units: US Customary Metric
 Background:

#### Robot 1

 Initial Position: ( in, in) Initial Angle: deg Current Position: (0 in, 0 in) Current Angle: 90 deg Wheel Radius: 1.75 in1.625 in2.0 in Track Width: in

#### Robot 2

 Initial Position: ( in, in) Initial Angle: deg Current Position: (6 in, 0 in) Current Angle: 90 deg Wheel Radius: 1.75 in1.625 in2.0 in Track Width: in

#### Robot 3

 Initial Position: ( in, in) Initial Angle: deg Current Position: (12 in, 0 in) Current Angle: 90 deg Wheel Radius: 1.75 in1.625 in2.0 in Track Width: in

#### Robot 4

 Initial Position: ( in, in) Initial Angle: deg Current Position: (18 in, 0 in) Current Angle: 90 deg Wheel Radius: 1.75 in1.625 in2.0 in Track Width: in

Draw a Solar Eclipse
Problem Statement:

The pre-placed blocks will draw the moon in gray and the shadow of the moon in black. Add the sun and the earth to complete the diagram of the solar eclipse. Make sure the radius of the earth is smaller than the radius of the sun.

```/* Code generated by RoboBlockly v2.0 */
#include <chplot.h>
CPlot plot;

plot.strokeColor("white");
plot.strokeWidth(1);
plot.text("Moon", PLOT_TEXT_LEFT, 18, 12);
plot.text("Sun", PLOT_TEXT_LEFT, 4, 20);
plot.text("Earth", PLOT_TEXT_LEFT, 28, 4);
plot.strokeColor("#ff9900");
plot.fillColor("#ff9900");
plot.circle(6, 28, 5);
plot.strokeColor("#3366ff");
plot.fillColor("#3333ff");
plot.circle(30, 10, 4);
plot.strokeWidth(1);
plot.strokeColor("#ff9900");
plot.strokeColor("#999999");
plot.fillColor("#999999");
plot.circle(23, 15, 1.2);
plot.fillColor("black");
plot.circle(27.5, 11.5, 0.61);
plot.grid(PLOT_OFF);

plot.axisRange(PLOT_AXIS_XY, 0, 36);
plot.ticsRange(PLOT_AXIS_XY, 6);
plot.sizeRatio(1);
plot.plotting();```
 Blocks Save Blocks Load Blocks Show Ch Save Ch Workspace
Problem Statement:

The pre-placed blocks will draw the moon in gray and the shadow of the moon in black. Add the sun and the earth to complete the diagram of the solar eclipse. Make sure the radius of the earth is smaller than the radius of the sun.

Time