Question

In a triangle ABC DE is parallel to BC ,if DE= 2/3 BC and the area of triangle ABC = 81 cm square find the area of triangle ADE.
CLASS 10 CBSE CH-6 TRIANGLES

Answer 1

Step-by-step explanation:

x= 3y + 4z - 5

therefore

y - 1 = z

sin(x-y)= sinxcosy- cosxsiny