Write an algorithm for perimeter of triangle

Perimeter of a triangle

Area and Perimeter of triangle

Write an algorithm to find the area of a rectangle

The sum of altitudes of a triangle is than the perimeter of the triangle._______

The perimeter of a triangle is 22 cm. Through each vertex of the triangle, a straight line parallel to the opposite side is drawn. What is the perimeter of triangle formed by these lines ?

Write the perimeter of the triangle formed by the points O(0,0),A(a,0) and B(0,b)

Two sides and the perimeter of one triangle are respectively three times the corresponding sides and the perimeter of the other triangle. Are the two triangles similar? Why?

In triangle ABC and triangle DEF, AB = DE, BC = EF and angleB = angleE . If the perimeter of triangle ABC is 20, then the perimeter of triangle DEF is ..........