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### Geometry prompts

 Click on im for notes, resources and reports on inquiries.Shapesim 2-dimensional shapes inquiryShapes and circlesim Overlapping shapes inquiryAngles and shapesim Four pentagons inquiry  im 12 equilateral triangles inquiryAnglesim Parallel lines inquiryAreaim Equal areas inquiry 1The areas of a rectangle, a triangle and a circle are equal. im Equal areas inquiry 2  im Inscribed shapes inquiryA square fits into a circle better than a circle fits into a square.  im Fraction of a shape inquiryArea and perimeter im 4-by-3 rectangle inquiry Volume and surface areaim Volume and surface area inquiryThe surface area of a cuboid can never be less than its volume.  im Volume of a cylinder inquiryEnlargementim Enlargement inquiryScale factorsim Scale factors inquiryThe surface area and volume of cube B are twice the surface area and volume of cube A.Transformationsim Reflections and coordinates inquiryIf point (a,b) is reflected in the line y = x, then the image will be at (b,a).  im Combined transformations inquiryIf you reflect a shape twice in two different lines of reflection, then you can map the object onto the image with one transformation.Pythagoras' Theorem and trigonometryim Right-angled triangles inquiry  im Four scalene triangles inquiry  im Area of a triangle inquiry NEWGeometry of solidsim Pyramid inquiry NEWIn a right square-based pyramid, the perimeter of the base equals the circumference of the circle whose radius is the height of the pyramid.