/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Q23. A trapezoid has an area of 140 s... [FREE SOLUTION] | 91影视

91影视

Log out

Learning Materials

Features

Discover

Chapter 11: Q23. (page 634)

A trapezoid has an area of 140 square centimetres and bases of 15 centimetres and 20 centimetres. What is the height of the trapezoid?

Short Answer

Expert verified

The height of the trapezoid is 8 centimeters.

Step by step solution

01

Step 1. Given Information.

Area of a trapezoid: 140 centimetres

Base of a trapezoid: 20 centimetres

02

Step 2. Formula used.

Area of a trapezoid=12b1+b2h, whereb1, b2 are the bases of the trapezoid andhis the height of the trapezoid.

03

Step 3. Calculation.

The height of the trapezoid can be calculated as:

Areaofatrapezoid=12b1+b2h鈥勨赌勨赌勨赌勨赌勨赌勨赌勨赌勨赌�Formulafortheareaofatrapezoid140=1215+20hsubstitutethegivenvalues140=352hadd140脳2=352h脳2multiplybothsidesby228035=35h35dividebothsidesby35h=8simplify

04

Step 4. Conclusion.

The height of the trapezoid is 8 centimeters.

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Over 30 million students worldwide already upgrade their learning with 91影视!

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

Archery On 6 different days, two archers record the number of bull鈥檚-eyes they score out of 10 tries. Which archer is more consistent?

  1. Make a box-and-whisker plot for each archer.
  2. Find the range and interquartile range for each archer.
  3. For which archer is the range of the scores less?

    Day

    1

    2

    3

    4

    5

    6

    Archer 1

    3

    5

    8

    4

    9

    1

    Archer 2

    4

    7

    6

    5

    8

    6

The stem-and-leaf plot shows the times (in minutes) for 30 men who completed the 2002 Boston Marathon using a wheelchair.

8369033561000133333336911123991212499133Key:8|3=83minutes

  1. What was the fastest time?
  2. Find the median of the times.
  3. What percent of the participants finished the race in less than 2 hours?
The fastest female wheelchair time in the marathon was 1 hour 46 minutes. How does this time compare with the times of the 30 male participants?

In Exercises 6-8, tell whether the data are numerical or categorical. The tell which data display(s) you would use to display the data. Explain your reasoning.

A coach recorded the number of goals scored by each member of a hockey team.

Make an ordered stem-and-leaf plot of the data.

12,50,72,67,33,98,44,16,91,47,42,53,33,11,60,77,35,79

Tell which data display(s) you could use to display the data. Explain why.

The responses to a survey question with a choice of yes, no, or maybe.
See all solutions

Recommended explanations on Math Textbooks

Logic and Functions

Read Explanation

Discrete Mathematics

Read Explanation

Geometry

Read Explanation

Applied Mathematics

Read Explanation

Theoretical and Mathematical Physics

Read Explanation

Statistics

Read Explanation
View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.