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Plane figures (triangles, rectangles, parallelograms, trapezoids, circles, polygons) Videos


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ACT Math 4.3 Plane Geometry
361 Views

ACT Math: Plane Geometry Drill 4, Problem 3. What is the measure of each angle in the figure?

ACT Math 4.4 Plane Geometry
340 Views

ACT Math: Plane Geometry Drill 4, Problem 4. Find the value of x.

Midsegment Theorem
4647 Views

Who knew triangles had midsegments? We did.

Coordinates and Distance Formula
7937 Views

One formula to rule them all, one formula to find them. One formula to bring them all, and in the darkness bind them. Or something like that. I...

All You Need to Know about Slopes of Parallel and Perpendicular Lines
2756 Views

So many parallel and perpendicular lines all over the place, and none of them have been labeled. Which begs the question: whose lines are they, any...

ACT Math 1.5 Plane Geometry
297 Views

ACT Math: Plane Geometry Drill 1, Problem 5. If two polygons have the same shape and size, they are what?

ACT Math 3.5 Plane Geometry
394 Views

ACT Math: Plane Geometry Drill 3, Problem 5. How long would it take for the wheel to make two rotations?

ACT Math 5.4 Plane Geometry
294 Views

ACT Math: Plane Geometry Drill 5, Problem 4. What is the radius and coordinate center of the circle?

Finding the Distance Between Two Points
2065 Views

Talk about math being applicable to real life.

Proving Lines are Parallel
1113 Views

To prove lines are parallel, you need a third line. We at Shmoop (and the rest of the world) call it a transversal.