2. What is the measure of each interior angles of a regular decagon?A. 144°B. 154°C. 164°D. 17403. If four angles of a hexagon measure 72°, 157°, 850, and 124° respectwhat is the measure of the remaining angles if they are equal?A. 121°B. 131°C. 141°D. 151°4. If the sum of the measures of four exterior angles of a pentagon is 3what is the measure of the fifth exterior angle?A. 30°B. 40°C. 50°D. 60°5. What is the sum of interior angles of a 15 - sided polygon?A. 2340°B. 2440°C. 2430°D. 22406. What is the measure of each interior angle of a regular octagon?A. 115°B. 125°C. 135°D. 145°7. Find the value of b. A. 60°B. 70°C. 80°D. 90°​.