Math Problem Statement

Розв'яжи дані геометричні завдання з N1 до N5 та поясни їх

Solution

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Math Problem Analysis

Mathematical Concepts

Parallelograms
Rectangles
Triangles
Cosine Rule
Pythagorean Theorem
Perimeter

Formulas

Sum of angles in parallelogram: angle A + angle B = 180
Cosine Rule: BC^2 = AB^2 + AC^2 - 2 * AB * AC * cos(angle ABC)
Pythagorean Theorem: a^2 + b^2 = c^2
Perimeter of a rectangle: P = 2 * (length + width)

Theorems

Cosine Rule
Pythagorean Theorem
Properties of parallelograms and rectangles

Suitable Grade Level

Grades 9-11