ACT Math › How to find the perimeter of an acute / obtuse isosceles triangle
What is the perimeter of an isosceles triangle with a vertex of degrees and two sides equal to
?
What is the area of an isosceles triangle with a vertex of degrees and two sides equal to
units?
The base of an isosceles triangle is five times the length of its correlative height. If the area of this triangle is , what is its perimeter?
The height of an isosceles triangle, dropped from the vertex to its base, is one fourth the length of the base. If the area of this triangle is , what is its perimeter?