Biologists are scientists who study life phenomena, and they are divided into fields like zoology, botany, and microbiology.
A decagon is a polygon with 10 sides and 10 vertices, with an interior angle sum of 1440 degrees and a total of 35 diagonals.
A dodecagon is a flat shape with twelve sides and twelve angles, and each interior angle of a regular dodecagon is 150 degrees.
"Entrance" is not a standard standalone math term. In a math context, it usually refers to the starting point of a function's domain, the starting point of a mapping in set theory, or the entry point on the boundary of a geometric shape.
A dodecahedron is a polyhedron with twelve flat faces. The most common type is the regular dodecahedron made up of 12 regular pentagons, which is one of the five Platonic solids.
Volume refers to the amount of space inside a container that can hold objects. It's commonly used to describe how much a box, oil drum, bottle, etc., can hold. When calculating, you need to use the internal dimensions, and the usual units are liters and milliliters.
A pentadecagon is a flat polygon with 15 sides and 15 angles, and the sum of its interior angles is fixed at 2340 degrees.
A hendecagon is a flat shape with 11 sides and 11 angles, and it’s a type of polygon.
An acute triangle is a triangle where all three interior angles are less than 90 degrees. It's one type of triangle based on angles, the other two being right triangles and obtuse triangles.