2d63","cardType":"basic","front":"What do angles in a triangle add to?","back":"180°.","points":1},{"id":"c61793a7-1ce8-47b3-94ce-da9aff6dffec","cardType":"cloze","front":"In a regular polygon, all sides are [ ] and all interior angles are [ ].","back":"In a regular polygon, all sides are equal and all interior angles are equal.","points":null},{"id":"0d9a7534-d7b2-4764-a368-6ae6abae78cb","cardType":"basic","front":"How many triangles can an n-sided polygon be split into from one vertex?","back":"n - 2 triangles.","points":1},{"id":"5643e974-d923-4e0b-92ed-127184853019","cardType":"cloze","front":"For an n-sided polygon, the interior angle sum is [ ].","back":"For an n-sided polygon, the interior angle sum is (n - 2) × 180°.","points":null},{"id":"5e5114a4-6a4b-4559-bd7f-eca0c3764589","cardType":"basic","front":"What is the interior angle sum of a pentagon?","back":"540°.","points":1},{"id":"478ae7e1-9016-4867-9e62-8d760516abc4","cardType":"basic","front":"What is the interior angle sum of a hexagon?","back":"720°.","points":1},{"id":"8e7ef042-3dc3-4856-9a84-63505364724b","cardType":"basic","front":"A pentagon has angles 98°, 121°, 116°, 85° and x. Find x.","back":"120°.","points":2},{"id":"227fd0ab-2a77-4677-8e98-10a9f3535992","cardType":"cloze","front":"The exterior angles of a polygon, taking one at each vertex, add to [ ].","back":"The exterior angles of a polygon, taking one at each vertex, add to 360°.","points":null},{"id":"1202504e-4911-4a05-8dae-fbe6ad6cb9a7","cardType":"basic","front":"For a regular polygon with n sides, what is each exterior angle?","back":"360° ÷ n.","points":1},{"id":"9eb8da23-4c6a-4809-9ae7-980a6e44a229","cardType":"basic","front":"What is the exterior angle of a regular nonagon?","back":"40°.","points":2},{"id":"ebf34adc-8dce-47de-ac84-9e4c46d053dd","cardType":"cloze","front":"At each corner, the interior angle and adjacent exterior angle add to [ ].","back":"At each corner, the interior angle and adjacent exterior angle add to 180°.","points":null},{"id":"a481aef7-9726-44ad-9591-d56022f80acf","cardType":"basic","front":"A regular 12-sided polygon has exterior angle 30°. What is its interior angle?","back":"150°.","points":2},{"id":"4cf5136b-5a07-48d8-9584-647e7bf55d38","cardType":"basic","front":"How do you find the number of sides from a regular polygon's exterior angle?","back":"n = 360° ÷ exterior angle.","points":1},{"id":"bea72f2f-7bc8-4b63-a2db-fc1e842dc37c","cardType":"basic","front":"A regular polygon has exterior angle 30°. How many sides does it have?","back":"12 sides.","points":2},{"id":"f48e4958-e924-4ef4-b876-1ab28eeaab20","cardType":"cloze","front":"If given a regular polygon's interior angle, first find the exterior angle using [ ].","back":"If given a regular polygon's interior angle, first find the exterior angle using 180° - interior angle.","points":null},{"id":"5f8fecac-f6b0-4fb9-b51d-b0e48521f91a","cardType":"basic","front":"A regular polygon has interior angle 156°. How many sides does it have?","back":"15 sides.","points":2},{"id":"be4f00b8-df86-41c2-b8b0-6ac15b19e666","cardType":"basic","front":"Why must you not divide the interior angle sum by the number of sides for an irregular polygon?","back":"Its angles are not all equal.","points":2},{"id":"4b5cc7bb-3130-4a79-9d8c-b79aa86b1016","cardType":"

Angles in Polygons Flashcards

Angles in Polygons Flashcards

Angles in Polygons Flashcards

Angles in Polygons Flashcards