If each side of a triangle is 4 m long, then what is the perimeter of the triangle?
If the sides of a triangle are a, b and c. Then, what is the semi perimeter of the triangle?
An isosceles triangle has perimeter 36 cm. If each of the equal sides is 10 cm long, then the area of the triangle is _____ cm2.
Each side of a triangle is increased by 10cm, if the ratio of the perimeter of the new triangle and old triangle is 5:4. Find the perimeter of the given triangle.