Triangle quiz time!

1. What type of triangle is Δ ABC, where AB = AC = BC = 10 cm?

2. The perimeter of scalene triangle with sides a, b, c is

3. A triangle has angle measurements of 90°, 40°, and 50°. What type of triangle is this?

4. A scalene triangle has ___ lines of symmetry

5. There is a right triangle PQR where: angle Q = 90°; angle P = angle R. What is the measure of angles P and R?