Geometry 3d Shapes Hard — Set 61

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        "operation": "geometry",
        "subject": "arithmetic",
        "difficulty": "hard",
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        "problems": [
            {
                "id": 1,
                "type": "geometry",
                "subType": "identify-shapes",
                "shape": "square",
                "question": "What is the name of a shape with 4 sides?",
                "answer": "rectangle",
                "correctAnswer": "rectangle",
                "difficulty": "hard"
            },
            {
                "id": 2,
                "type": "geometry",
                "subType": "count-sides",
                "shape": "pentagon",
                "question": "How many sides does a pentagon have?",
                "answer": 5,
                "correctAnswer": "5",
                "difficulty": "hard"
            },
            {
                "id": 3,
                "type": "geometry",
                "subType": "area",
                "shape": "triangle",
                "question": "What is the area of a triangle with base 17 and height 7?",
                "answer": 59.5,
                "correctAnswer": "59.5",
                "difficulty": "hard"
            },
            {
                "id": 5,
                "type": "geometry",
                "subType": "perimeter",
                "shape": "circle",
                "question": "What is the perimeter (circumference) of a circle with radius 13? (use π ≈ 3.14)",
                "answer": 81.68,
                "correctAnswer": "81.68",
                "difficulty": "hard"
            },
            {
                "id": 6,
                "type": "geometry",
                "subType": "count-sides",
                "shape": "hexagon",
                "question": "How many sides does a hexagon have?",
                "answer": 6,
                "correctAnswer": "6",
                "difficulty": "hard"
            },
            {
                "id": 7,
                "type": "geometry",
                "subType": "count-sides",
                "shape": "circle",
                "question": "How many sides does a circle have?",
                "answer": 0,
                "correctAnswer": "0",
                "difficulty": "hard"
            },
            {
                "id": 9,
                "type": "geometry",
                "subType": "count-sides",
                "shape": "rectangle",
                "question": "How many sides does a rectangle have?",
                "answer": 4,
                "correctAnswer": "4",
                "difficulty": "hard"
            },
            {
                "id": 11,
                "type": "geometry",
                "subType": "area",
                "shape": "square",
                "question": "What is the area of a square with side 4?",
                "answer": 16,
                "correctAnswer": "16",
                "difficulty": "hard"
            },
            {
                "id": 13,
                "type": "geometry",
                "subType": "count-sides",
                "shape": "square",
                "question": "How many sides does a square have?",
                "answer": 4,
                "correctAnswer": "4",
                "difficulty": "hard"
            },
            {
                "id": 14,
                "type": "geometry",
                "subType": "area",
                "shape": "square",
                "question": "What is the area of a square with side 44?",
                "answer": 1936,
                "correctAnswer": "1936",
                "difficulty": "hard"
            },
            {
                "id": 15,
                "type": "geometry",
                "subType": "perimeter",
                "shape": "pentagon",
                "question": "What is the perimeter of a pentagon with each side = 39?",
                "answer": 195,
                "correctAnswer": "195",
                "difficulty": "hard"
            },
            {
                "id": 16,
                "type": "geometry",
                "subType": "count-sides",
                "shape": "triangle",
                "question": "How many sides does a triangle have?",
                "answer": 3,
                "correctAnswer": "3",
                "difficulty": "hard"
            },
            {
                "id": 17,
                "type": "geometry",
                "subType": "area",
                "shape": "triangle",
                "question": "What is the area of a triangle with base 9 and height 47?",
                "answer": 211.5,
                "correctAnswer": "211.5",
                "difficulty": "hard"
            }
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    "_archetype": "form-exercise",
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