Math Problem Statement

Pravilna tristrana piramida. Visina na a=25m in visina piramide je 20m. Izracunat rabimo povrsino in volumen

Solution

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Math Problem Analysis

Mathematical Concepts

Geometry
Solid Geometry
Pyramids
Surface Area
Volume

Formulas

Volume of a pyramid: V = (1/3) * A_base * h
Area of an equilateral triangle: A_base = (a^2 * sqrt(3)) / 4
Lateral surface area of a triangular face: A_side = (1/2) * a * s
Using Pythagorean theorem to find slant height: s = sqrt(h^2 + (a/2)^2)

Theorems

Pythagorean Theorem

Suitable Grade Level

Grades 9-12