is an equilateral triangle; is an equiangular triangle.

True or false: From the given information, it follows that .

An isosceles triangle has a perimeter of . If the base of the triangle is two less than two times the length of each leg, what is the height of the triangle?

If a triangle has side lengths of and , which of the following can be a length of the third side?

An isosceles triangle has a perimeter of . If the base of the triangle is two less than two times the length of each leg, what is the height of the triangle?

An isosceles triangle is placed in a circle as shown by the figure below.

If diameter of the circle is , find the area of the shaded region.

is an equilateral triangle; is an equiangular triangle.

True or false: From the given information, it follows that .

An isosceles triangle is placed in a circle as shown by the figure below.

If diameter of the circle is , find the area of the shaded region.

If a triangle has side lengths of and , which of the following can be a length of the third side?

An isosceles triangle is placed in a circle as shown by the figure below.

If the diameter of the circle is , find the area of the shaded region.

An isosceles triangle has a perimeter of . If the base of the triangle is less than three times the length of a leg, what is the height of the triangle?