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Pre-Algebra Videos 217 videos
Who wants to be a millionaire? In this video, learn about compound interest, interest rates, and the compound interest formula. You'll be buying th...
ACT Math: Pre-Algebra Drill 5, Problem 2. If a and b are prime numbers, how many factors does ab have?
ACT Math 1.5 Plane Geometry 297 Views
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ACT Math: Plane Geometry Drill 1, Problem 5. If two polygons have the same shape and size, they are what?
- Plane Geometry / Plane figures (triangles, rectangles, parallelograms, trapezoids, circles, polygons)
- Product Type / ACT Math
- Foreign Language / Arabic Subtitled
- Foreign Language / Spanish Subtitled
- Foreign Language / Korean Subtitled
- Foreign Language / Chinese Subtitled
- Plane Geometry / Relations of plane figures
Transcript
- 00:02
And here is your shmoop de jour...
- 00:05
If two polygons have the same shape and size they're what?
- 00:09
Here are the potential answers...
- 00:12
Okay, so this question just testing us on our knowledge of geometric definitions.
- 00:17
Let's go through them one by one. Scaling refers to a triangle with zero
Full Transcript
- 00:21
congruent sides. Obtuse
- 00:25
refers to a triangle with one angle greater than 90 degrees.
- 00:28
Congruent means same shape and size.
- 00:33
So it looks like congruent fits the question.
- 00:35
Let's continue with the other choices. Perpendicular means that two things
- 00:39
intersect at ninety degrees
- 00:41
and equilateral means all sides are equal.
- 00:44
Alright, congruent it is. Answer choice C.
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