Trigonometry 7th Edition

Published by Cengage Learning
ISBN 10: 1111826854
ISBN 13: 978-1-11182-685-7

Chapter 1 - Test - Page 51: 9

Answer

13 units

Work Step by Step

To find distance between given points, i. e. (4, -2) and (-1, 10), we will use distance formula - r = $ \sqrt { (x_{2} - x_{1}) ^{2} + (y_{2} - y_{1}) ^{2}}$ r = $ \sqrt { (-1 - 4) ^{2} + [10- (-2)] ^{2}}$ r = $ \sqrt { (-5) ^{2} + (10+2) ^{2}}$ r = $ \sqrt { 25 + 144}$ r = $ \sqrt { 169}$ = 13 i.e. Distance between given points = 13 units
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