A Tale Of Three Intersecting Lines Practice 2: Angle Sum And Exterior Angle And Side Length Relationships

Practice A Tale of Three Intersecting Lines

MathematicsGrade 7Mixed12 questions18 min

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First 4 questions from the learning flow.

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Concept Check · 6 questionsApply and Solve · 6 questions

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Question 1

AdvancedQuestion

Two angles of a triangle are $45^\circ$ and $50^\circ$ . What is the third angle?

Topic: Angle Sum and Exterior Angle · Skill: Use exterior-angle relationship

Question 2

EasyQuestion

Two angles of a triangle are $45^\circ$ and $55^\circ$ . What is the third angle?

Topic: Angle Sum and Exterior Angle · Skill: Use exterior-angle relationship

Question 3

MediumQuestion

Two angles of a triangle are $45^\circ$ and $60^\circ$ . What is the third angle?

Topic: Angle Sum and Exterior Angle · Skill: Use exterior-angle relationship

Question 4

EasyQuestion

Two angles of a triangle are $46^\circ$ and $50^\circ$ . What is the third angle?

Topic: Angle Sum and Exterior Angle · Skill: Detect impossible triangle angles

Focused Grade 7 Ganita Prakash practice for A Tale of Three Intersecting Lines, covering Angle Sum and Exterior Angle, Side Length Relationships.

Use exterior-angle relationship, Detect impossible triangle angles, Apply triangle inequality, Find possible third-side ranges