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tcd55335

Answer:

The one highlighted in orange.

Step-by-step explanation:

We can see that it has no angles over 90 degrees, and all the sides are different lengths. That satisfies both of the restraints we have.

Hope that this helps!

The triangle in option A is both acute and scalene.

Acute Angled Triangle:

  • The triangle in which all angles are less than 90° is called an acute-angled triangle.

Scalene Triangles:

  • The triangles having all the sides different are called scalene triangles.

How to solve the given question?

  • We need to find the triangle wherein all the angles are less than 90° and all the sides are different lengths.
  • Hence, as per the given condition, Option A is the correct answer.

Why other options are incorrect?

  • In option B, All angles are less than 90° but two sides are equal in length, hence it is an acute isosceles triangle.
  • In option C, All sides are different but one angle is more than 90°, hence it is an obtuse scalene triangle.
  • In option D, All sides are different and one angle is 90°, hence it is a right-angled triangle.

Learn more about triangles here:

https://brainly.com/question/16589630

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