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📐 Mathematics - Class 7

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Lesson 2 · Triangle, Quadrilateral and Polygon

Constructing Triangles

MathematicsSubject

15 minEstimated read

📖Note 🧮Worked Examples 📐Construction 🔬Activity ⭐Points to Remember ✏️Practice Questions 🧪Practice Test 🎬Video 🖥️Presentation

Question 1 of 10

1How many measurements do you need to construct a definite triangle?

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Lesson 2 topics

Constructing Triangles Quadrilaterals and Their Properties Polygons

Quick Facts

Lesson: 2: Triangle, Quadrilateral and Polygon
Topic: Constructing Triangles
Domain: Geometry

A triangle needs exactly three of the right facts. Which three you are given decides whether it is SSS, SAS or ASA.

Study Tip

Write the case name at the top of your answer before drawing a single line, and check the triangle inequality before you start.