[ ]; a straight line angle is [ ].","back":"A right angle is 90°; a straight line angle is 180°.","points":null},{"id":"25904e09-3d7f-4eeb-a636-6e53ebb53922","cardType":"basic","front":"Classify an angle of 40°.","back":"Acute.","points":1},{"id":"91faa852-d3b2-4cb4-af98-baa32e105ef6","cardType":"basic","front":"Classify an angle of 130°.","back":"Obtuse.","points":1},{"id":"b464cc07-9a82-41d3-90f2-149782a83280","cardType":"basic","front":"Classify an angle of 245°.","back":"Reflex.","points":1},{"id":"cb517797-abb2-4c14-87a2-1ee82e9a67a7","cardType":"basic","front":"What tool is used to measure or draw angles?","back":"A protractor.","points":1},{"id":"1c70f86c-9e52-413c-b554-18ffecbd93a4","cardType":"basic","front":"When measuring an angle, where should the protractor's centre go?","back":"On the vertex.","points":1},{"id":"f64a23a7-b331-4ac9-b080-fa918aacaed4","cardType":"cloze","front":"On a protractor, read from the [ ] that lies on [ ].","back":"On a protractor, read from the 0° line that lies on one arm of the angle.","points":null},{"id":"7e41c07e-c681-4be8-a70b-01fe5b207d77","cardType":"basic","front":"After marking 110° with a protractor, how do you complete the angle?","back":"Draw a straight line from the vertex through the mark.","points":1},{"id":"b951aecb-a213-450c-856f-8669fe0c1845","cardType":"cloze","front":"Angles on a straight line add to [ ].","back":"Angles on a straight line add to 180°.","points":null},{"id":"c58f69e3-63ae-4b74-8676-3ce902285c91","cardType":"basic","front":"A straight line is split into 127° and $x$. Find $x$.","back":"53°.","points":2},{"id":"b50795a5-cabb-4949-a749-879610899ebc","cardType":"cloze","front":"Perpendicular lines meet at a [ ], which is [ ].","back":"Perpendicular lines meet at a right angle, which is 90°.","points":null},{"id":"1740eab2-65f0-4cd4-83ad-e5709383d25f","cardType":"basic","front":"A right angle is split into 34° and $x$. Find $x$.","back":"56°.","points":2},{"id":"c81f25f9-a824-4f10-ada3-b8369607c01a","cardType":"basic","front":"Angles around a point add to what?","back":"360°.","points":1},{"id":"4653e1bb-53fb-43dc-9b78-a67b15e031b1","cardType":"basic","front":"Angles around a point are 90°, 105°, 118° and $x$. Find $x$.","back":"47°.","points":2},{"id":"786b9c19-6c07-4a66-b379-7be85b75a4d0","cardType":"cloze","front":"The three angles inside any triangle add to [ ].","back":"The three angles inside any triangle add to 180°.","points":null},{"id":"31bd639c-1503-4542-b9d1-3261997ee268","cardType":"basic","front":"A triangle has angles 66°, 41° and $x$. Find $x$.","back":"73°.","points":2},{"id":"cebf6595-1242-4500-a8f8-15c582fa3a47","cardType":"basic","front":"In an isosceles triangle, equal sides imply what about the base angles?","back":"The base angles are equal.","points":1},{"id":"2a588cd2-e0aa-441f-9987-0a14216c1cfb","cardType":"basic","front":"An isosceles triangle has base angles 68° and 68°. Find the top angle.","back":"44°.","points":2},{"id":"2b09e7b4-8102-4cdb-8f22-893d4d2bed09","cardType":"basic","front":"A square corner and an equilateral-triangle corner meet at a shared point. Find the combined angle.","back":"150°.","points":2}]}],"examCountdown":{"examDate":"2027-05-14","paperLabel":"Component 1"},"formulaUrl":null,"intro":"$L3c","title":"Angles Flashcards","topicSidebar":"$L3d"}]}],"topicId":"2ebd530b-68f3-45f5-8396-dacd236869b6","walled":"$L3e"}],"$L3f"]