Area of kites (video) | Area and perimeter | Khan Academy
To find the area of a kite, you need to know the lengths of the kite's two diagonals (the lines that cross through the middle of the kite). Multiply the lengths of the two diagonals together, and then divide by …
Area of kites (video) | Khan Academy
To find the area of a kite, you need to know the lengths of the kite's two diagonals (the lines that cross through the middle of the kite). Multiply the lengths of the two diagonals together, and then divide by …
Unit 1: Intro to area and perimeter - Khan Academy
Area and perimeter help us measure the size of 2D shapes. We’ll start with the area and perimeter of rectangles. From there, we’ll tackle trickier shapes, such as triangles and circles.
Area of kites (video) | Space and Shape | Khan Academy
To find the area of a kite, you need to know the lengths of the kite's two diagonals (the lines that cross through the middle of the kite). Multiply the lengths of the two diagonals together, and then divide by …
Area of parallelograms (article) | Khan Academy
Intuition for why the area of a parallelogram is A = b h The formula for the area of a parallelogram is base times height, just like the formula for the area of a rectangle. But wait! Why are the formulas the …
Area and perimeter | Geometry (all content) - Khan Academy
Area and perimeter help us measure the size of 2D shapes. We’ll start with the area and perimeter of rectangles. From there, we’ll tackle trickier shapes, such as triangles and circles.
Volume formulas review (article) | Khan Academy
Review the formulas for the volume of prisms, cylinders, pyramids, cones, and spheres.
Area of trapezoids (practice) | Khan Academy
Practice finding the areas of trapezoids.
Proof: Rhombus area (video) | Congruence | Khan Academy
Sal proves that we can find the area of a rhombus by taking half the product of the lengths of the diagonals.
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