1.

A tree trunk of height 12 meters is erected with the support of three metal chains. An angle of 60° is made by each metal chain with the tree trunk. Find the length of the metal chain.(a) 32 meters(b) 10meters(c) 24 meters(d) 18 metersI had been asked this question in homework.The doubt is from Trigonometry Application in chapter Trigonometry Application of Mathematics – Class 10

Answer»

Right choice is (c) 24 METERS

The explanation: We have to find the length of the METAL CHAIN AC.

cos 60° = \(\frac {BC}{AC}\)

\( \frac {1}{2} = \frac {12}{AC}\)

AC = 24 meters



Discussion

No Comment Found

Related InterviewSolutions