A trail mix is made by adding pecans that sell for 2.50 per pound to chocolate candies that sell for 1.00 per pound. How much of
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Answer:
Step-by-step explanation:
You need to remember the following:
1. The area of a rectangle can be calculated with the following formula:
Where "l" is the length and "w" is the width.
2. The area of a triangle can be calculated with the following formula:
Where "b" is the base and "h" is the height.
Use those formulas to find the area of each face.
<u> Area of the rectangle</u>
<u>Area of two triangles</u>
There are two equal triangles. Each one has a base of 10 inches and a height of 5 inches. Then, their areas are equal:
The areas of the other two triangles (which are equal) are:
Adding the areas of the faces, you get that the surface area of the rectangular pyramid is: