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Yuri [45]
3 years ago
10

Help please show work

Mathematics
1 answer:
Olenka [21]3 years ago
5 0

Answer:

67.5 ft^2

Step-by-step explanation:

First find the area of the circle.

A = pi r^2

A = pi (8)^2

A = 64pi

There are 360 degrees in a circle

The shaded area has 121 degrees

The fraction is 121/360

The fraction shaded is 121/360

The fraction of the circle is the same as the area

121/360 A = 121/360 * 64 pi

area shaded = 67.54488889

To the nearest tenth

area shaded = 67.5

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Definition of Midpoint

Step-by-step explanation:

Since T is the midpoint then it is equadistant from R to T and T to S

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In a right triangle abc, cd is an altitude, such that ad=bc. Find ac, if ab=3 cm, and cd= square root 2 cm.
Mashcka [7]

      <u>ΔACB</u>                                               <u>ΔCDA</u>

AC² + BC² = AB²                           AD² + CD² = AC²  

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                          9  +   2    = 2AC²

                               11        = 2AC²

                                \frac{11}{2}        = AC²

                                \sqrt{\frac{11}{2} }     = AC

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Naya [18.7K]

Answer:

3

Step-by-step explanation:

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The slope that is perpendicular is the negative reciprocal which is

- ( 1/(-1/3)

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The perpendicular slope is 3

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3 years ago
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