Question

question 9 of 10 classify the following triangle. check all that apply. 51° 12.1 11 59° 70° 10 a. acute b. right c. isosceles d. obtuse e. scalene f. equilateral

Explanation:

Step1: Check angle - type

All angles ($51^{\circ}$, $59^{\circ}$, $70^{\circ}$) are less than $90^{\circ}$, so it's an acute - angled triangle.

Step2: Check side - type

The side lengths are 10, 11, and 12.1. Since all side lengths are different, it's a scalene triangle.

Answer:

A. Acute, E. Scalene