anonymous
  • anonymous
help please!
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
@Abhisar
anonymous
  • anonymous
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anonymous
  • anonymous
@Abhisar

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Abhisar
  • Abhisar
ok,, to find the area of shade region we will have to divide the region into smaller parts.
Abhisar
  • Abhisar
Sit tight cz m gonna draw.
anonymous
  • anonymous
ok :)
Abhisar
  • Abhisar
|dw:1433966233841:dw|
Abhisar
  • Abhisar
Can u recognize the figure? It's the shaded area from ur graph.
anonymous
  • anonymous
ok
Abhisar
  • Abhisar
Now we can find the whole area by finding the area of triangle A, rectangle B and rectangle C and adding them all
Abhisar
  • Abhisar
ok?
anonymous
  • anonymous
oko
Abhisar
  • Abhisar
Do u know how to find the area of triangle A?
anonymous
  • anonymous
no
Abhisar
  • Abhisar
For a right angled triangle like triangle A, area = \(\sf 0.5 \times base \times height\)
Abhisar
  • Abhisar
Can u find area of triangle A now?
anonymous
  • anonymous
ill try
anonymous
  • anonymous
whats the base and height
Abhisar
  • Abhisar
|dw:1433966849363:dw|
Abhisar
  • Abhisar
Got it?
Abhisar
  • Abhisar
?
anonymous
  • anonymous
yes
anonymous
  • anonymous
@Abhisar
anonymous
  • anonymous
What is the area, in square feet, of the shaded region?
anonymous
  • anonymous
@Abhisar
anonymous
  • anonymous
@KendrickLamar2014
Abhisar
  • Abhisar
Sorry! I had to leave yesterday. So, to calculate the area of shaded region we divided that region into triangle A, rectangle B and C. Now to calculate the are we will calculate the areas of all the 3 regions one by one and finally sum up them together. Area of Triangle A: Area of a right angled triangle is given by 0.5 * base * height. Here, base of the triangle =8+2=10 (see the figure) and height = 8-2-2=4. \(\therefore\) Area = 0.5 * 4 * 10 =?
Abhisar
  • Abhisar
Now area of rectangle = Length * Breadth. Length of Rectangle B and C are 10 and 8 respectively and breadth for rectangle B and C are 1 and 2 respectively. Calculate the area of each of them and finally add area of triangle A, area of rectangle B and C. That would be the area of shaded region.

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