The figures have more depth in addition to length and width, making them more complex and realistic.ģD shapes have 3 elements instead of 2, which are length, width, and depth. Moving beyond the confines of two dimensions, we move on to 3D shapes.
If the lengths of the sides are a, b, and c, then the perimeter is P = a + b + c. Add the lengths of all three sides to find the perimeter. Right: One of the angles in the triangle is 90 degreesĪrea & Perimeter: If you have the length of the base and the height of the triangle, you can use the formula A = (1/2) × base × height.Obtuse: One of the angles in the triangle is greater than 90 degrees.Acute: Each of the angles in the triangle are less than 90 degrees.
Scalene: Triangle where all three sides have different lengths.Isosceles: Triangle where only two sides are of equal length.Equilateral: Triangle where all three sides are of equal length.Triangles are three-sided polygons, and they come in various types such as equilateral, isosceles, and scalene, depending on the length of their sides and the measure of their angles. It can be calculated using the formula A = πr^2, where “A” represents the area and “r” denotes the radius. The value of π (pi) is approximately 3.14.Īrea: The area of a circle is the measure of the region enclosed by its boundary. You can calculate it with formula C = 2πr, where “C” represents the circumference and “r” denotes the radius. All things considered, you can just multiply the radius by two to get the diameter.Ĭircumference: The circumference of a circle is the distance around its boundary. On the other hand, diameter measures the distance between every edge of the circle line segment. A single radius that measures the distance from the center to any point on the circle’s boundary. In the first place, circles have no straight sides or angles and are curved.
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