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Maru [420]
3 years ago
7

Answer for brainlest plssss

Mathematics
2 answers:
Misha Larkins [42]3 years ago
7 0

Answer:

\displaystyle d)  36 \:  {in}^{2}

Step-by-step explanation:

the polygon can be separated in two parts

  1. rectangle
  2. triangle

let's figure out the area of the rectangle

recall that,

  • \displaystyle A_{ \rm rect} =l \times w

given that,

  • l=9
  • w=3

thus substitute:

  • \displaystyle A_{ \rm rect} =9\times 3

simplify multiplication:

  • \displaystyle A_{ \rm rect} =27

let's figure out the area of the triangle

remember that,

\displaystyle A_{ \rm triangle} = \frac{1}{2} \times  b\times h

substitute the value of b and h:

\displaystyle A_{ \rm triangle} = \frac{1}{2} \times  9\times 2

reduce fraction:

\displaystyle A_{ \rm triangle} =    9

now the area of the polygon would be the total area of the rectangle and triangle thus

\displaystyle A_{ \rm polygon} =    27 + 9

simplify addition:

\displaystyle A_{ \rm polygon} =    36

hence our answer is D)

AysviL [449]3 years ago
6 0
The answer is in the photo

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