Answer:
Area: ½ × base × height
Perimeter: sum of side lengths of the triangle
of vertices: 3
Number of edges: 3
Internal angle: 60° (for equilateral)
Sum of interior angles: 180°
Step-by-step explanation:
is there a passage or sum?
China is about 17 times bigger than France.
Meanwhile, the population of France is ~67.1 million people. (1.3 billion more people live in China).
3cos(3t)
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