G9-MATH-L7 Triangles

What is a triangle?

• A closed figure with four sides
• A closed figure formed by three intersecting lines
• A polygon with five sides
• A figure with two angles

How many sides does a triangle have?

• Two
• Three
• Four
• Five

What does 'congruent' mean in geometry?

• Different in shape
• Equal in all respects
• Similar in shape
• Larger in size

Which of the following is a criterion for triangle congruence?

• AAA
• SAS
• SSA
• ASA

If two triangles have two sides equal and the included angle equal, what can be concluded?

• They are similar
• They are congruent
• They are not related
• They are scalene

Which of the following pairs of triangles can be considered congruent?

• Triangles with equal angles only
• Triangles with equal sides only
• Triangles with two equal sides and the included angle
• Triangles with one equal side

What is the significance of congruence in real life?

• It helps in creating identical objects
• It is only a mathematical concept
• It has no practical application
• It is used to measure angles

If triangle ABC is congruent to triangle DEF, which of the following is true?

• AB = DE, AC = DF, BC = EF
• AB = DE, AC = EF, BC = DF
• AB = DF, AC = DE, BC = EF
• None of the above

What happens if only one pair of sides and one pair of angles are equal in two triangles?

• They are congruent
• They may or may not be congruent
• They are similar
• They are not related

Which rule states that two triangles are congruent if three sides of one triangle are equal to three sides of another triangle?

• SAS
• ASA
• SSS
• AAS