The Triangle an...

Find the measure of base angles and exterior angle at the vertex of an isosceles triangle if the vertex angle measures $$45^o$$.

How many medians(drawn in fig.) are there in a triangle $$PQR$$?

In a triangle $$ABC$$, if $$AB = 4$$ and $$AC = 3$$, what is the length of $$BC$$?

In $$\triangle ABC$$, if $$\angle B = \angle C = 45^{\circ}$$, which of the following is correct?

The distance from town A to town B is five miles. C is six miles from B. Which of the following could be the distance from A to C?
I. $$11$$
II. $$1$$
III. $$7$$

If each side of an equilateral triangle is doubled then its angle will ______

A line is drawn through the diagonal of a rectangle as shown above. What is the length of the diagonal?

Find the length of the side labeled  $$x$$. The triangle represented in the figure is a right triangle.

In a triangle with sides of $$7$$ and $$9$$, the third side must be