The congruent sides of an isosceles triangle are 4 cm each. If the perimeter is 14 cm, then the 3rd side is .
The semi-perimeter of an isosceles triangle is 12 cm. The length of its unequal side is 10 cm.
What is the length of each equal side of the triangle?
An isosceles triangle has perimeter 36 cm. If each of the equal sides is 10 cm, then the area of the triangle is _____cm2