Properties of isosceles, equilateral and right-angled triangles

P5 Mathematics · Measurement & Geometry · 125 questions · difficulty D1–D5 · Singapore MOE-aligned

Sample questions

SAMPLE 1

If an isosceles triangle has equal angles of 40° each, what is the third angle?

SAMPLE 2

A triangle has angles 120°, 30°, and 30°. What type is it?

SAMPLE 3

A triangle with all angles less than 90° is called a(n) ___ triangle.

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