Click on the blue points and drag them to change the figure. Use the grid lines to find 90 degrees, 180 degrees, and so on. How many non-oblique angles are there in 360 degrees? |
Manipulative 1 - Oblique Angle Created with GeoGebra. |
Click on the blue points and drag them to change the figure. Use the grid as a guide for making parallel and perpendicular lines. When are the lines oblique? When are the lines not oblique? |
Manipulative 2 - Oblique Lines Created with GeoGebra. |
Click on the blue point and drag it to change the figure. When is the figure oblique? When is the figure not oblique? |
Manipulative 3 - Oblique Figure Created with GeoGebra. |
# | A | B | C | D |
E | F | G | H | I |
J | K | L | M | N |
O | P | Q | R | S |
T | U | V | W | X |
Y | Z |
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