ng>, e.g. cm² or m².","points":1},{"id":"248eae5f-f691-47ad-b4c5-0ad257341115","cardType":"basic","front":"What formula is used for the area of a rectangular face?","back":"$\\text{length}\\times\\text{width}$","points":1},{"id":"5cb399ef-5f69-4ef1-af54-c38985de54ed","cardType":"cloze","front":"The perpendicular height is measured [ ], not along a slanted side.","back":"The perpendicular height is measured at 90° to the base, not along a slanted side.","points":null},{"id":"48ba13b0-74a7-451c-b740-e365ecfd2952","cardType":"cloze","front":"Triangle area: [ ], where $h$ is the perpendicular height.","back":"Triangle area: $A=\\frac{1}{2}bh$, where $h$ is the perpendicular height.","points":null},{"id":"f421d731-d96a-4f63-8a99-572a4d0f50af","cardType":"cloze","front":"Trapezium area: [ ], where $a$ and $b$ are parallel sides.","back":"Trapezium area: $A=\\frac{1}{2}(a+b)h$, where $a$ and $b$ are parallel sides.","points":null},{"id":"9afc1b8f-7702-40d6-bf64-9a12d9114274","cardType":"basic","front":"A trapezium has parallel sides 12 cm and 6 cm, height 5 cm. What is its area?","back":"45 cm²","points":2},{"id":"a98469ba-7588-47f7-8a18-b11ebabddf9a","cardType":"basic","front":"Why do you double the three different face areas for a cuboid?","back":"Opposite faces are the same size.","points":2},{"id":"710aa801-bddd-4ebb-9589-425c6a48509e","cardType":"cloze","front":"Cuboid total surface area: [ ].","back":"Cuboid total surface area: $2lw+2lh+2wh$.","points":null},{"id":"a3e24811-8a15-44f2-8ff6-d0c085a57396","cardType":"basic","front":"A cuboid is 9 cm by 4 cm by 3 cm. What is its total surface area?","back":"150 cm²","points":2},{"id":"da59f0d9-477d-4594-8dfd-a97a2fab36d7","cardType":"cloze","front":"A prism has the same shape all the way through; the repeated end shape is the [ ].","back":"A prism has the same shape all the way through; the repeated end shape is the cross-section.","points":null},{"id":"ad3e0416-1136-4114-917d-cbf7e27b5a81","cardType":"basic","front":"What formula gives the total surface area of any prism?","back":"$2\\times\\text{cross-section area}+\\text{perimeter}\\times\\text{length}$","points":1},{"id":"73b3a90b-91a6-4475-8a5d-49597347ce1e","cardType":"basic","front":"In the prism formula, what does $\\text{perimeter}\\times\\text{length}$ find?","back":"The rectangular side faces.","points":1},{"id":"149ad0ed-55f1-492e-bf6e-57e059c177a5","cardType":"basic","front":"Triangular prism: cross-section perimeter 36 cm, length 7 cm. What is the side-face area?","back":"252 cm²","points":2},{"id":"bed5ee0b-a959-46fa-b114-bc4aeaf0f5c9","cardType":"basic","front":"How do you find the area of an L-shaped end made by removing a corner from a rectangle?","back":"Subtract the missing rectangle’s area.","points":2},{"id":"8412f892-43cc-416d-9631-39a32066e4e5","cardType":"basic","front":"An L-shaped end fits inside 8 cm by 7 cm, with a 3 cm by 4 cm corner removed. What is its area?","back":"44 cm²","points":2},{"id":"47712028-177e-4810-8994-9ce79bbd5e7e","cardType":"basic","front":"Why trace around a composite cross-section when finding perimeter?","back":"To include the step edges.","points":2},{"id":"2b1e1a37-f49e-41b3-92bf-e4550a2b74b7","cardType":"basic","front":"How many circular faces does a closed cylinder have?","back":"Two equal circular faces.","points":1},{"id":"4e76d3f8-3fd0-4e40-87d5-f1a3f3de230e","cardType":"cloze","front":"Closed cylinder total surface area: [ ].","back":"Closed cylinder total surface area: $2\\pi r^

Surface Area Flashcards

Surface Area Flashcards

Surface Area Flashcards

Surface Area Flashcards