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Perimeter Videos 15 videos

GED Math 1.1 Measurement
327 Views

GED Math: Measurement Drill 1, Problem 1. The area, in square inches, of the shaded region where the two rectangles overlap is...what?

GED Math 2.3 Measurement
425 Views

Use the area formula to solve for length of the base of the triangle.

GED Math 4.3 Measurement
219 Views

GED Math 4.3 Measurement. How should this equation for calculating the area of a hexagon be completed?

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ACT Math 2.1 Plane Geometry 484 Views


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Description:

ACT Math: Plane Geometry Drill 2, Problem 1. What is the perimeter of the shape shown?

Language:
English Language

Transcript

00:02

Here is your shmoop de jour...

00:05

What is the perimeter of the shape below?

00:08

And here are the potential answers...

00:13

Okay the key thing we have to notice here is this distance 4

00:16

which is exactly half of this distance 8

00:20

and this distance 3 which is exactly half of this distance 6

00:24

Suddenly have a right triangle with sides 3 he ran for their

00:28

and thanks to Pythagoras we know that a squared plus B squared equals C squared

00:34

that 3 squared 9 plus 4 squared 16

00:38

equals by square 25 take the square root of 25 and thats how we got 5

00:42

thing. Now just add the perimeter lines and we have 3 plus

00:46

8 plus 6 plus 4 plus 5 and our perimeter here is 26.

00:51

Answer D.

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