CLASSIFICATIONSOF

TRIANGLES

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REVIEW

SCALENE TRIANGLEA triangle is said to be

scalene if the three sides are unequal.

ISOSCELES TRIANGLEA triangle is said to be

isosceles if its two sides are equal.

EQUILATERAL TRIANGLEA triangle is said to be

equilateral if the three sides are equal.

ACUTE TRIANGLEA triangle is acute if all of its angles are acute.

OBTUSE TRIANGLEA triangle is obtuse if at least one angle is obtuse.

RIGHT TRIANGLEA triangle is right if at least one angle is right.

EQUIANGULAR TRIANGLEA triangle is equiangular if all angles are equal.

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?

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?