/*! 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} Q. 38 By using the Right angled triang... [FREE SOLUTION] | 91影视

91影视

Log out

Learning Materials

Features

Discover

Chapter 8: Q. 38 (page 516)

By using the Right angled triangle and the information given below, solve the triangle.

c=10,A=40掳

Short Answer

Expert verified

Required values of the triangle areB=50掳,b=7.66,a=6.43

Step by step solution

01

Step 1. Given information

c=10,A=40掳

For the right triangle shown in figure , we have

c2=a2+b2,A+B=90掳

c2=a2+b2,A+B=90掳

02

Step 2. Calculation

Weknow,ForB,鈬�A+B=90掳鈬�B=90掳-A=90掳-40掳=50掳Forb,鈬�cosA=bc鈬�b=cosA脳c=cos40掳脳10=0.766脳10=7.66Fora,鈬�c2=a2+b2鈬�a2=c2-b2=102-7.662=100-58.6756=41.3244鈬�a=41.3244=6.43

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

Finding the Height of an Airplane An aircraft is spotted by two observers who are 1000 feet apart. As the airplane passes over the line joining them, each observer takes a

sighting of the angle of elevation to the plane, as indicated in the figure. How high is the airplane?

For any triangle, derive the formula a=bcosC+ccosB

Hint:UsethefactthatsinA=sin180鈭�-B-C

Find the area of the triangle. Round answer to two decimal places.

A=110掳,C=30掳,c=3

At 10 AM on April 26, 2009, a building 300 feet high casts a shadow 50 feet long. What was the angle of elevation of the Sun?

Solve each triangle.

a=4,b=3,c=6
See all solutions

Recommended explanations on Math Textbooks

Geometry

Read Explanation

Applied Mathematics

Read Explanation

Theoretical and Mathematical Physics

Read Explanation

Decision Maths

Read Explanation

Discrete Mathematics

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.