Question

In the triangle RST, RS = 15, ST = 25, RT = 20. Which is the largest angle? (A) ZRTS. (B) ZRST. (C) ZTRS and ZRST are equal. (D) This cannot be determined.

Answer 1

In the triangle RST, the largest angle is opposite the largest side. Hence, the largest angle in this case is ZRST.

Step-by-step explanation:

In triangle RST, we are trying to find the largest angle. We can use the rule that in a triangle, the largest side is opposite the largest angle. Here the sides given are RS = 15, ST = 25, RT = 20. Therefore, the largest side is ST which is 25. This implies that the largest angle is the angle opposite to the largest side, which is angle RTS (or, ZRST).

Hence, the correct answer is (B) ZRST.

Learn more about Geometry