Advertisements
Advertisements
Question
Find angle 'A' if :
Sum
Advertisements
Solution
From the figure we have
cos A = `(10)/(20)`
cos A = `(1)/(2)`
cos A = cos 60°
A = 60°
shaalaa.com
Solution of Right Triangles
Is there an error in this question or solution?
Chapter 22: Solution of Right Triangles [Simple 2-D Problems Involving One Right-angled Triangle] - Exercise 22 [Page 341]
