Math Practice 101
Homework Explained - Math Practice 101

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Grade 6 HMH Go Math - Answer Keys


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  • Question 10 (request help)

    Except for a small region near its southeast corner, the state of Nevada is shaped like a trapezoid. The map at the right shows the approximate dimensions of the trapezoid. Sabrina used the map to estimate the area of Nevada.

    Look at how Sabrina solved the problem. Find her error.

    Two copies of the trapezoid can be put together to form a rectangle.

    length of rectangle: 200 + 480 = 680 mi

    width of rectangle: 300 mi

    \(\begin{align}
    \text{A} &= \text{lw} \\
    \text{A} &= 680\times300 \\
    \text{A} &= 204,000 \\
    \end{align}
    \)

    The area of Nevada is about 204,000 square miles.

     

    Describe the error. Find the area of the trapezoid to estimate the area of Nevada.
  • Type below:
  • Question 11 (request help)

    A photo was cut in half at an angle. What is the area of one of the cut pieces?
  •     \(\text{in.}^{2}\)

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