The altitude to the base of an isosceles triangle bisects it forming two right angled triangles (which are congruent).
In either of those right angled triangles, the altitude forms one leg and half the base of the original triangle forms the other. So,
tan(26) = Alt/11 or Alt = 11*tan(26) inches = 5.365 inches.
130 degrees is the measure of the base angles of an isosceles triangle whose vertex has a measure of 50 degrees.
In all triangles, the angles always measure up 180 degrees. In an isosceles triangle two of the angles are equal.
An isosceles triangle can be acute, obtuse, or right, depending on the measure of its angles. If all angles are less than 90 degrees, it is an acute isosceles triangle. If one angle is greater than 90 degrees, it is an obtuse isosceles triangle. If one angle is exactly 90 degrees, it is a right isosceles triangle.
A right triangle. Also an isosceles triangle.
(180 - 38)/2 = 71 degrees (base angles of an isosceles triangle are congruent).
130 degrees is the measure of the base angles of an isosceles triangle whose vertex has a measure of 50 degrees.
It is an isosceles triangle
In all triangles, the angles always measure up 180 degrees. In an isosceles triangle two of the angles are equal.
The three interior angles measure 45, 45 and 90 degrees.
An isosceles triangle can be acute, obtuse, or right, depending on the measure of its angles. If all angles are less than 90 degrees, it is an acute isosceles triangle. If one angle is greater than 90 degrees, it is an obtuse isosceles triangle. If one angle is exactly 90 degrees, it is a right isosceles triangle.
The sum of all three interior angles of any triangle, isosceles or not, is 180 degrees.
A right triangle. Also an isosceles triangle.
That's an isosceles triangle.
(180 - 38)/2 = 71 degrees (base angles of an isosceles triangle are congruent).
If it is an isosceles triangle then the base angles must be equal angles of 69 degrees because there are 180 degrees in a triangle and 42+69+69 = 180 degrees
44 degrees
135 degrees.