In a right isosceles triangle, the lengths of the two nonhypotenuse sides are designated a. What is the area of the triangle in terms of a?
An isosceles triangle has one angle with a measure greater than 95° and another with a measure of x°. Which of the following must be true?
If points (0, 0), (3, 7), and (11, 0) are the vertices of an isosceles trapezoid, then which of the following points is the remaining vertex?
If the area of an isosceles right triangle is 8, what is the perimeter of the triangle?
Is the triangle depicted above isosceles? (Figure not necessarily drawn to scale.)
(1) 180°- (a+c) =60°
(2) a=2b-c
Triangle PQR is isosceles and ∠PQR measures 50°. Which of the following could be the measure of ∠PRQ? (Indicate all of the answer choices that apply.)
a, b, and c are the measures of the angles of isosceles triangle ABC. x, y, and z are the measures of the angles of right triangle XYZ.
In isosceles triangle ABC what is the value of∠C?
(1) The measure of∠B is 47.
(2) The measure of∠A is 96.