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Chapter 10: Q.16 (page 550)

Find the area of the trapezoid.

Short Answer

Expert verified

The area of the trapezoid is135.15 cm2.

Step by step solution

01

Step 1. Given information.

The given figure is given below as,

02

Step 2. Formula used.

The formula of area of trapezoid is defined as,

Area=12脳Sum of parallel sides脳Height

03

Step 3. Calculation.

Substitute the given values in the formula to find the remaining base.

Area=12脳7.5+19脳10.2=26.5脳5.1=135.15cm2

04

Step 4. Conclusion.

Therefore, the required area is135.15cm2.

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Most popular questions from this chapter

Solve the linear system by graphing.

y=鈭�3x+7y=3x+4

Preparing for success: To prepare for success in this chapter, test your knowledge of these concepts and skills. You may want to look at the pages referred to in blue for additional review.

1. Vocabulary: Draw a right triangle. Label the hypotenuse and legs.

Find the value of x. Then classify the triangle by its angle measures.

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  1. How many square inches of cloth do you need for each unfolded triangle? Round your answer to the nearest square inch.
  2. You need to attach wooden dowels to the congruent shorter sides of each of the 4 unfolded triangles. You can buy dowels that are 50 inches long. How many do you need to buy? Explain.

Write the sine and cosine ratios for both acute angles of the triangle.
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