Stewart’s Theorem Alec Levine, Rebecca Shohet, Arturo Asmal PD1 Who was Matthew Stewart? Matthew Stewart was born on January 23, 1785. He was a Scottish mathematician. He published the book Some General Theorems of Considerable use in the Higher Parts of Mathematics. One of the ideas mentioned in this book, was the introduction of Stewart’s Theorem which deals with triangles and is still used today. Stewart’s Theorem Let’s do a problem Step By Step: m= n= a= d= c= Find b 13 𝑏 17 5 2 5 Now let’s try some practice problems: Example: Find d to the nearest hundredth. 8 8 8 𝑐 𝑏 𝑑 3 13 CHALLENGE TIME! In Fig.S10-2, AB=AC=17, AD =16. DC =11 Find BD, which is x.