91Ó°ÊÓ

The measures of the three angles of a triangle are in the ratio 2:3:4. Find the measure of the largest angle of the triangle.

The measures of five of the interior angles of a hexagon are \(150,100,80,165\), and \(150 .\) What is the measure of the sixth interior angle? (1) 75 (3) 105 (2) 80 (4) 180