Grade 4 Geometry Area Perimeter — Set 82

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                "id": 4,
                "type": "geometry",
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                "question": "What is the perimeter (circumference) of a circle with radius 4? (use π ≈ 3.14)",
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                "id": 6,
                "type": "geometry",
                "subType": "area",
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                "question": "What is the area of a circle with radius 11? (use π ≈ 3.14)",
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                "id": 7,
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                "id": 9,
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                "question": "How many sides does a pentagon have?",
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                "id": 11,
                "type": "geometry",
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                "question": "What is the area of a rectangle with length 11 and width 11?",
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                "id": 12,
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                "question": "How many sides does a triangle have?",
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                "correctAnswer": "3",
                "difficulty": "normal"
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            {
                "id": 15,
                "type": "geometry",
                "subType": "perimeter",
                "shape": "square",
                "question": "What is the perimeter of a square with each side = 14?",
                "answer": 56,
                "correctAnswer": "56",
                "difficulty": "normal"
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                "id": 19,
                "type": "geometry",
                "subType": "identify-shapes",
                "shape": "octagon",
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                "correctAnswer": "square",
                "difficulty": "normal"
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