Question

answer
isosceles obtuse
scalene obtuse
scalene right
isosceles right
scalene acute
equilateral
isosceles acute

Explanation:

1. First, check side lengths: two sides (QS and RS) are equal at 4.37, so the triangle is isosceles.
2. Then check angle measures: all angles (50°, 80°, 50°) are less than 90°, so the triangle is acute.
3. Combine these classifications: the triangle is isosceles acute.

Answer:

Isosceles Acute