Polygons and Circles Angles and Areas

Polygons and Circles Angles and Areas

#### What is the sum of the interior angles of a pentagon? 1. [ ] 450 degrees 2. [ ] 510 degrees 3. [x] 540 degrees 4. [ ] 630 degrees #### An isosceles triangle has a base angle of 30 degrees. What is the measure of the vertex angle? 1. [ ] 60 degree 2. [x] 120 degree 3. [ ] 130 degree 4. [ ] 150 degree #### A square and a circle have the same area. If the side length of the square is 10 cm, what is the radius of the circle? 1. [ ] 5 cm 2. [x] 5√2 cm 3. [ ] 10 cm 4. [ ] 10√2 cm #### One angle of A Hexagon is 90 degree and all remaining 5 angles are equal.Than the measure of the other angle is 1. [x] 126 2. [ ] 120 3. [ ] 116 4. [ ] 136 #### Internal angle of a regular Pentagon will measure (in degree) 1. [ ] 120 2. [x] 108 3. [ ] 136 4. [ ] 145