which of the following triangles are always similar?
The sides of a triangle are 7, 10, and 12. Find the length of the longest side of a similar triangle whose shortest side is 21?
Area of an equilateral triangle with side length a is equal to?
If the perimeter of a triangle is 100 cm and the length of the two sides are 30 cm and 40 cm, the length of the third side will be?
The height of an equilateral triangle of side 5 cm is?