Question

1. a) obtuse scalene b) acute scalene c) right equilateral d) right scalene

Explanation:

Step1: Check angle - type

One angle is 90° (the right - angle symbol), so it is a right triangle.

Step2: Check side - type

The side lengths are 8.8, 5.3, and 10.2. Since all side lengths are different, it is a scalene triangle.

Answer:

D. right scalene