Classify Triangles
Scalene triangle All three sides are of different lengths All three angles are of different measures |
Isosceles triangle Two sides are of same length Two angles are of same measure |
Equilateral triangle All three sides are of same length All three angles are of same measure |
Acute triangle All three angles are less than 90° |
Right triangle One angle is exactly 90° |
Obtuse triangle One angle is more than 90° |
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Help
The correct answer is
Remember :
The smallest number is the one that comes first while counting.
Solution :
To arrange the given numbers in order from smallest to greatest, find the smallest number among all the given numbers.
21,27,23
21 is the smallest number.