Question

drag the figures to the correct categories below. triangles with one right angle triangles with all acute angles triangles with one obtuse angle drag and drop items here drag and drop items here drag and drop items here

Explanation:

Step1: Identify right - angled triangles

Triangles with a square - corner symbol have a right angle.

Step2: Identify acute - angled triangles

Triangles where all angles appear less than 90 degrees are acute - angled.

Step3: Identify obtuse - angled triangles

Triangles with one angle greater than 90 degrees are obtuse - angled.

Answer:

Triangles with one right angle: The first and second triangles from the left in the top row.
Triangles with all acute angles: The sixth triangle from the left in the top row.
Triangles with one obtuse angle: The third, fourth, and fifth triangles from the left in the top row.