Terminology

Given an equilateral triangle inside an isosceles triangle, can you find a relationship between the angles?
Exploring and noticing Working systematically Conjecturing and generalising Visualising and representing Reasoning, convincing and proving
Being curious Being resourceful Being resilient Being collaborative

Problem

Terminology printable worksheet

 

The green triangle is an isosceles triangle while the blue triangle is an equilateral triangle.

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Terminology


Find $a$ in terms of $b$ and $c$.

What can you say about the triangles if $a = b = c$?