На стороне АС треугольника ABC с площадью 36 см взята точка D, AD : DC =1:5. Найдите площадь треугольника ABD

Happy Birthday Cakes 

Birthday girl, today’s your day! 

Time to eat cake, sing songs, and play! 

There are so many ways to have birthday fun. 

Here’s hoping you get to do every one!