Types of Triangles Identification

What is the formula to find the area of a triangle?

• Area = @@rac{1}{2} imes base imes height@@

• Area = base imes height

• Area = @@rac{1}{3} imes base imes height@@

• Area = base + height

What is an isosceles triangle?

• A triangle with all sides equal.

• A triangle with at least two equal sides.

• A triangle with no equal sides.

• A triangle with one right angle.

What is the triangle sum theorem?

• The sum of all angles in a triangle is @@180 ext{°}@@.

• The sum of all angles in a triangle is @@90 ext{°}@@.

• The sum of all angles in a triangle is @@360 ext{°}@@.

• The sum of all angles in a triangle is @@270 ext{°}@@.

What is the difference between acute and obtuse triangles?

• Acute triangles have all angles less than @@90\degree@@, while obtuse triangles have one angle greater than @@90\degree@@.

• Acute triangles have one angle greater than @@90\degree@@, while obtuse triangles have all angles less than @@90\degree@@.

• Acute triangles have all angles equal to @@90\degree@@, while obtuse triangles have one angle less than @@90\degree@@.

• Acute triangles have two angles greater than @@90\degree@@, while obtuse triangles have all angles less than @@90\degree@@.

What is a triangle with two equal angles called?

• Equilateral Triangle

• Scalene Triangle

• Isosceles Triangle

• Right Triangle

What does it mean for two figures to be congruent?

• The figures are the same size and shape.

• The figures are different sizes but similar shapes.

• The figures are the same color but different shapes.

• The figures are different shapes but the same size.

What is the definition of an equilateral triangle?

• A triangle where all three sides are equal and all angles are @@60\degree@@.

• A triangle with one angle measuring @@90\degree@@ and two equal sides.

• A triangle where all sides are different lengths and angles are unequal.

• A triangle with two sides equal and one angle measuring @@45\degree@@.

What type of triangle has one right angle?

• Acute Triangle

• Obtuse Triangle

• Right Triangle

• Scalene Triangle

How can you identify a right isosceles triangle?

• It has one right angle and two equal sides.

• It has three equal sides.

• It has two right angles and one obtuse angle.

• It has one acute angle and two unequal sides.

What type of triangle has all sides equal?

• Isosceles Triangle

• Scalene Triangle

• Equilateral Triangle

• Right Triangle