Calculating Perimeter with Pythagorean Theorem | Triangle and Trapezoid Tutorial
Автор: Belajar Bareng Okta
Загружено: 2026-02-25
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Описание:
Calculating Perimeter with Pythagorean Theorem | Triangle and Trapezoid Tutorial
Description:
Master the Pythagorean Theorem to find missing side lengths! In this video, we calculate the perimeter of two different geometric shapes step-by-step. Perfect for middle school students and math enthusiasts.
The Math Challenge:
Find the perimeter (keliling) for:
Right-Angled Triangle (PQR)
Right Trapezoid (ABCD)
Step-by-Step Solution:
Part A: Right Triangle PQR
To find the perimeter, we first need the hypotenuse (RQ).
Sides: PQ = 8, PR = 6
Find RQ: sqrt(8^2 + 6^2) = sqrt(64 + 36) = sqrt(100) = 10
Perimeter: 8 + 6 + 10 = 24 units
Part B: Right Trapezoid ABCD
To find the perimeter, we need the slanted side (BC).
Dimensions: AB = 33, AD = 24, DC = 40
Find the base of the small triangle: 40 - 33 = 7
Find BC (using height 24): sqrt(24^2 + 7^2) = sqrt(576 + 49) = sqrt(625) = 25
Perimeter: 33 + 25 + 40 + 24 = 122 units
What You Will Learn:
How to identify right-angled components in shapes.
Applying a^2 + b^2 = c^2 to find missing sides.
Summing all outer sides to find the final perimeter.
#MathTutorial #PythagoreanTheorem #PerimeterCalculation #GeometryBasics #LearnMath #StudyWithMe #StepByStepMath #MathTeacher #TriangleMath
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