Find the maximum perimeter of a triangle on a given base `' a '` and having the given vertical angle `alpha`

Find the perimeter of the given Triangle.

Find the perimeter of a right angled triangle if its base is 3cm and height is 4cm .

Find the ratio of the perimeter to the area of the given triangle.

Each side of a triangle is increased by 10cm.I ratio of the perimeters of the new triangle and the given triangle is 5:4, find the perimeter of the given triangle

Perimeter of a triangle is 10 cms and its base is 4 cms then maximum area of the triangle is