Use triangles ABC and RST to answers the following questions. Is triangle ABC a right triangle? Explain your answer.

Answer:
YES
Step-by-step explanation:
Right triangles have a 90 degree angle in them....triangle ABC has a 90 degree angle in it .
Answer:
[tex]\rightarrow \fbox {Yes} \leftarrow[/tex]
Step-by-step explanation:
ΔABC is a right triangle as it possesses a right angle (90°).