<p>The perimeter of an isosceles triangle of base length $x$ cm and two sides of equal length $y$ cm is $10$ cm.</p>
<p>By using differentiation, show that when the area of the triangle is maximum,</p>
<ol class="abc-list"><li><div class="list-item-paragraph">the triangle is equilateral,</div></li><li><div class="list-item-paragraph">the area is $\frac{25\sqrt{3}}{9}$ units².</div></li></ol>

The perimeter of an isosceles triangle of base length $x$ cm and two sides of equal length $y$ cm is $10$ cm.

By using differentiation, show that when the area of the triangle is maximum,

the area is $\frac{25\sqrt{3}}{9}$ units².

Applications of Differentiation

H2 Math

International Baccalaureate Higher Level Mathematics

Problems Involving Maximisation and Minimisation Q1

Problems Involving Maximisation and Minimisation Q1

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