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Pani-rosa [81]
3 years ago
8

What is the answer to this math question?

Mathematics
2 answers:
Evgen [1.6K]3 years ago
6 0

Answer:

its 22.5 because i did a sguare then divivded it by 2 then i added the rectangle

oksano4ka [1.4K]3 years ago
5 0

Answer:

The answer is option 3.

Step-by-step explanation:

First we have to find the area of both rectangle and triangle :

Rectangle,

area = base \times height

Let base = 9,

Let height = 3,

area = 9 \times 3 \\ area = 27 \:  {m}^{2}

Triangle,

area =  \frac{1}{2}  \times base \times height

Let base = 3,

Let height = 3,

area =  \frac{1}{2}  \times 3 \times 3 \\ area =  \frac{1}{2}  \times 9 \\ area =  \frac{9}{2}  \\ area = 4.5 \:  {m}^{2}

Lastly, in order to find the shaded region you have to substract the area of triangle from the area of rectangle :

area = 27 - 4.5 \\ area = 22.5 \:  {m}^{2}

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