# GEOM A, U5L6: Congruence In Right Triangles Quiz PART 1

## Unlock all answers in this set

question
R, S, and T are the vertices of one triangles. E, F, and F are the vertices of another triangles. m∠R = 60, m∠S = 80, m∠F = 60, m∠D = 40, RS = 4, and EF = 4. Are the two triangles congruent? If yes, explain and tell which segment is congruent to lines RT.
A. yes, by ASA; line FD
question
Find the value of x. The diagram is not to scale. Given: RS ≅ ST, m∠RST = 7x - 54, m∠STU = 8x.
A. 14
question
What additional information will allow you to prove the triangles congruent by the HL Theorem?
C. AC ≅ DC
question
All equilateral triangles are also isosceles.
A. True
question
In an isosceles triangle with two congruent sides, the angles across from the legs are called ____ angles.
base
question
Supply the missing reasons to complete the proof. 3. ΔPRQ ≅ ΔSRT 3. _____ 4. PR ≅ SR 4. _____
3. Angle-Side-Angle (ASA) Postulate, 4. CPCTC
question
Complete the proof by providing the missing statement and reasons. 2. ∠SDH and ∠SDT are right ∠s. 2. ____ 3 SH ≅ ST 3. ____ 4. ____ 4. Reflexive Property 5. ΔSHD ≅ ΔSTD 5. ____