The figure below shows \(\triangle ABC\). By forming an equation in \(x\), find the value of \(x\).[2]
Find the sum of the interior angles of a heptagon. [A heptagon is a polygon with seven sides.][1]
Four of the exterior angles of this heptagon are \(50^\circ\), while the others are \((x+7)^\circ\), \((x+9)^\circ\) and \((2x+12)^\circ\). Find the largest interior angle of this heptagon.[3]
Solution:
Solution locked
Sign in to view the step-by-step solution
Similar questions are unavailable for this question.
Answer:(a) \(x=13\) (b)(i) \(900^\circ\) (ii) \(140^\circ\)