Example 3

作成者:Walch Education

A 13-foot ladder leans against the side of a building. The base of the ladder is 5 feet from the building. Risa calculates that the top of the ladder rests

feet up the side of the building. How high does the ladder reach?

新しい教材

Open Education 2026
רישום חופשי
General Polar Equation of Conics with Rotation (1)
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Cartesian Notation of a Vector

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Introduction to gradient function
Soccer ball
Demo: Transparent text
Seven circles theorem
The n-th tetrahedral number

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内接円
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数学
正三角形