Answer :
The length of the base of an isosceles triangle is x = 6.
The length of the base of an isosceles triangle is x. In geometry, an isosceles triangle is a triangle with at least two equal-length sides. It is sometimes stated as having exactly two equal-length sides, and sometimes as having at least two equal-length sides, with the latter form containing the equilateral triangle as a particular case. The length of a leg is 2x - 7. The perimeter of the triangle is 16. A perimeter is a closed route that covers, surrounds, or outlines a two-dimensional form or length.
P = x + 2*(2x - 7)
16 = x + 4x - 14
30 = 5x
x = 6
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