English

Find 'x', if: - Mathematics

Advertisements
Advertisements

Question

Find 'x', if:

Sum

Solution

From the figure we have

sin 45° = `(20)/x`

`(1)/sqrt(2) = (20)/x`

x = 20`sqrt(2)`

x = 20 × `1.414/1000`

x = 28.28

shaalaa.com
Solution of Right Triangles
  Is there an error in this question or solution?
Chapter 24: Solution of Right Triangles [Simple 2-D Problems Involving One Right-angled Triangle] - Exercise 24 [Page 303]

APPEARS IN

Selina Concise Mathematics [English] Class 9 ICSE
Chapter 24 Solution of Right Triangles [Simple 2-D Problems Involving One Right-angled Triangle]
Exercise 24 | Q 1.3 | Page 303
Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×