Trigonometry and Geometry in Triangle \(ABC\)

Trigonometry and Geometry in Triangle \(ABC\)

Secondary 2

The figure shows a triangle \(ABC\) where \(BC=23\) cm, \(K\) lies on \(BC\) such that the length of \(BK\) is \(135\%\) of the length of \(KC\) and \(\angle AKC=90{}^\circ \). Given that the area of \(\Delta ABK\) is \(68\) cm\(^{2}\), find \(\angle BAC\).

Video Solution:

Video Solution

Video solution locked

A free account saves your progress; this video needs a course plan.

Solution:

Solution locked

680+ questions here come with free worked solutions. A free account saves your questions and progress; this one needs a course plan.

Answer:\(\angle BAC=95.6^\circ\)

Need help? Join our E-Maths tuition for O-Level success.

Learn more