/*! 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} Q31. A rectangle having area聽392m2聽... [FREE SOLUTION] | 91影视

91影视

Log out

Learning Materials

Features

Discover

Chapter 11: Q31. (page 427)

A rectangle having area392m2is twice as long as it is wide. Find its dimensions.

Short Answer

Expert verified

The dimensions are28m脳14m .

Step by step solution

01

Step 1. Given information.

Area of the rectangleA=392m2 .

Length is twice as its width.

02

Step 2. Concept  Used.

If b is the width of the rectangle and i is the length of the rectangle.

Then, the area of the rectangle isA=l脳b

03

Step 3. Let’s calculate the dimensions and area of the rectangle.

According to the given situation, length is twice as its width i.e.

l=2b

The area of the rectangle;

A=l脳b392=(2b)脳b392=2b2b2=3922b2=196b=196b=14m

Let鈥檚 calculate the length of the rectangle.

l=2(14)=28m

Therefore, the dimensions of the rectangle is28m脳14m .

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

Find the area of each figure:

A30鈭�鈭�60鈭�鈭�90鈭� triangle with hypotenuse10cm

Find the area of each figure:

A regular hexagon with perimeter 60 .

a. Find the ratio of the areas of鈻�QRTand鈻�QTS.

b. If the area of鈻�QRSis240. Find the length of the altitude from sto.QR鈫�

A path2mwide surroundings a rectangular garden 20mlong and 12mwide. Find the area of the path.

Find the area of each figure:

A triangle with base5.2mand corresponding height11.5m.
See all solutions

Recommended explanations on Math Textbooks

Logic and Functions

Read Explanation

Pure Maths

Read Explanation

Probability and Statistics

Read Explanation

Calculus

Read Explanation

Mechanics Maths

Read Explanation

Applied Mathematics

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.