Reeves Murphy
04/21/2023 · Primary School
For regular polygons all internal angles have the same The size of a single internal angle may be found using the formula: angle \( =\frac{\text { sum of all angles }}{\text { number of angles }} \) In an equilateral triangle, the number of sides \( n=3 \), \( 180^{\circ} \div 3= \) ? The size of the internal angles of an equilateral triangle must be
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In an equilateral triangle, the number of sides \( n = 3 \). The sum of the internal angles of any triangle is \( 180^\circ \).
To find the size of a single internal angle in an equilateral triangle, you can use the formula:
\[
\text{angle} = \frac{\text{sum of all angles}}{\text{number of angles}} = \frac{180^\circ}{3}
\]
Calculating this gives:
\[
\frac{180^\circ}{3} = 60^\circ
\]
Therefore, the size of the internal angles of an equilateral triangle is \( 60^\circ \).
Quick Answer
The size of the internal angles of an equilateral triangle is \( 60^\circ \).
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