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Help pleaseeeeeeeeeeeeeeeeeeee-example-1
User Sigbjornlo
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1 Answer

3 votes

Answer: Second option.

Explanation:

You can divide the arrow into two figures: A triangle and a rectangle (See the figure attached).

The area of a triangle can be calculated wit this formula:


A_t=(bh)/(2)

Where "b" is the base of the triangle and "h" is the height.

In this case, you can identify that:


b=6\ in\\\\h=8\ in-5\ in=3\ in

Therefore, you get that the area of the triangle is:


A_t=(6\ in*3\ in)/(2)\\\\A_t=9\ in^2

The area of a rectangle can be calculated with this formula:


A_r=lw

Where "l" is the lenght of the rectangle and "w" is the width.

In this case:


l=5\ in\\\\w=4\ in

Therefore, its area is:


A_r=5\ in*4\ in\\\\A_r=20\ in^2

And the total area of the arrow is:


A_T=9\ in^2+20\ in^2\\\\A_T=29\ in^2

Help pleaseeeeeeeeeeeeeeeeeeee-example-1
User Quantummind
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