Facts about triangles for age 10?

Answer 1

Here is 10 for 10, 10 facts about triangles for a 10-year old.
1. They have 3 sides
2. They have 3 angles
3. All three sides can be different lengths and it is called a scalene triangle.
4. All three angles can be different
5. Two sides and two angles can be the same and it is called isosceles
6. All three sides are the same and it is called equilateral. When this happens all 3 angels are the same too
7. The sum of the angles inside a triangle is 180 degrees.
8. Some triangles have 90 degree or right angles. These are called right triangles.
9. If all the angles in a triangles are less than 90 degrees, say 60,60,60, it is called acute.
10. If there is one angle greater than 90 degrees it is called an obtuse triangle.
A Triangle has 3 sides and all sides are parallel to one another hope this helps =)