Question

for each triangle, check all that apply.
triangle a
triangle b
triangle c
□ scalene
□ isosceles
□ equilateral
□ scalene
□ isosceles
□ equilateral
□ scalene
□ isosceles
□ equilateral

Explanation:

Step1: Classify Triangle A

Check side lengths: 5, 7, 10. All sides are unique.

Step2: Classify Triangle B

Check side lengths: 9, 10, 11. All sides are unique.

Step3: Classify Triangle C

Check side lengths: 16, 16, 16. All sides are equal.

Answer:

• Triangle A: Scalene
• Triangle B: Scalene
• Triangle C: Isosceles, Equilateral