1. In a triangle diagram, two sides are each marked with a single tick mark (|). What does this indicate about those two sides?
2. An equilateral triangle has all three sides marked with single tick marks and all three angles marked with single arcs. What are the measures of each angle?
3. In a right isosceles triangle, the two legs are equal. If each leg is marked with double tick marks (||), the two non-right angles each measure ___°.
4. Triangle $ABC$ has sides $AB$ and $AC$ each marked with one tick mark, and side $BC$ has no tick marks. Which best describes triangle $ABC$?
5. In a diagram, angle $P$ has a single arc and angle $Q$ has a double arc. What can be concluded about angles $P$ and $Q$?
6. If $\Delta JKL \cong \Delta MNO$, which angle is congruent to $\angle K$?
7. Diagram markings show $\angle A \cong \angle R$, $\angle B \cong \angle P$, and $\angle C \cong \angle Q$. Which congruence statement is correct?
8. If Triangle XYZ is congruent to Triangle CAB, then YZ is congruent to ___. (AB | BC | CA)
9. In congruent polygons $PQRS \cong WXYZ$, which side is congruent to $\overline{QR}$?
10. Markings show $\angle G \cong \angle T$, $\angle H \cong \angle U$, $\angle I \cong \angle S$. A student writes $\Delta GHI \cong \Delta STU$. Why is this statement invalid?