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denis23 [38]
3 years ago
12

What shape in this lesson can be used to prove statements about triangles?

Mathematics
1 answer:
adelina 88 [10]3 years ago
7 0

Answer:

right angle i think lollll

Step-by-step explanation:

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Juan ramirez sells suits in a major department store on weekends. He earns a commission of 5 percent on the first 10 suits, and
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74%, 3/4, 0.76 on a number line
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Step-by-step explanation:

6 0
2 years ago
In the following shape, two semicircles
Andrei [34K]

Answer:

The length around the figure in terms of r is 2r (\pi + 4).

Step-by-step explanation:

The perimeter of an object is the total length of the boundary of the object.

The figure consists two similar semicircle and a rectangle.

Adding the two semicircles, a complete circle is formed. The circumference of a circle = 2\pir.

The rectangle has a length which is twice its height.

     i.e l = 2h

But,

     r = \frac{h}{2}  (the diameters of the semicircles equal the height of the rectangle)

   ⇒ h = 2r

Thus, one side length of rectangle = 2 × 2r        (l = 2 × h)

                                                          = 4r

The length around the figure in terms of r is:

                   = 2\pir + 4r + 4r

                   = 2\pir + 8r

                   = 2r (\pi + 4)

The length around the figure in terms of r is 2r (\pi + 4).

8 0
3 years ago
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