Question

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

Explanation:

Step1: Check side - lengths

The side - lengths of the triangle are 7, 7.47, and 3.92. Since all three side - lengths are different, it is a scalene triangle.

Step2: Check angles

The angles of the triangle are 31°, 68°, and 81°. Since all angles are less than 90°, it is an acute triangle.

Answer:

Scalene Acute