The third side can be of any length in the interval (2, 128) units of length.
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63
An equilateral triangle has three sides of the same length. Therefore, the length of each side of an equilateral triangle with a perimeter of 63 metres is equal to 63/3 = 21 metres.
Since the formula for the area of a triangle is: A = .5 x h x b just go 63 = .5 x b x 18 then 63 = 9b 7 = b
Anglw C is 63 degrees because the 3 interior angles of a triangle add up to 180 degrees
Yes because the given dimensions complies with the requirements of Pythagoras' theorem for a right angle triangle.