Classifications of Triangles by Ricardo C. Lacsa
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This document defines and describes different types of triangles based on the measurements of their sides and angles. It states that a scalene triangle has three unequal sides, an isosceles triangle has two equal sides, and an equilateral triangle has three equal sides. It also defines acute, obtuse, right, and equiangular triangles based on the measurements of their interior angles.
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Classifications of Triangles by Ricardo C. Lacsa
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- 3. SCALENE TRIANGLE A triangle is said to be scalene if the three sides are unequal.
- 4. ISOSCELES TRIANGLE A triangle is said to be isosceles if its two sides are equal.
- 5. EQUILATERAL TRIANGLE A triangle is said to be equilateral if the three sides are equal.
- 6. ACUTE TRIANGLE A triangle is acute if all of its angles are acute.
- 7. OBTUSE TRIANGLE A triangle is obtuse if at least one angle is obtuse.
- 8. RIGHT TRIANGLE A triangle is right if at least one angle is right.
- 9. EQUIANGULAR TRIANGLE A triangle is equiangular if all angles are equal.
- 11. What kind of triangle has three sides with different measure? What about an isosceles triangle? How many sides are equal? What can you say about the measure of the angle of an isosceles triangle? If a triangle is an equilateral, is it also equiangular? Why? Is it possible for a right triangle to have two right angles?
- 12. Based from the activity, how do we classify triangles? What are the kinds of triangles according to the measures of their sides? What are the kinds of triangles according to the measures of their angles?