Question

Select the correct type of the triangle according to the given dimensions.

• A. PQR is an isosceles triangle.
• B. ABC is an equilateral triangle.
• C. PQR is an equilateral triangle.
• D. ABC is a scalene triangle.

Answer 1

The correct option is D ABC is a scalene triangle.


Triangle PQR:
The side lengths are 15 inches, 12 inches, and 17 inches, respectively.
All three sides are unequal.

So, triangle PQR is scalene.

Triangle ABC:
The side lengths are 14 inches, 19 inches, and 17 inches, respectively.
All three sides are unequal.

So, triangle ABC is scalene.

∴ Option (D) is correct.