Answer: The answer is; x=-3
Step-by-step explanation: (The work is in the image below)
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Find the measure of arc AB. Round to the nearest tenth if necessary.
1 answer:
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The answer is the option A, which is: A. Equilateral triangles.
The explanation for this answer is shown below:
By definition, a tetrahedron is a solid in three dimensions that has: six sides, four vertices and four triangular faces. These faces are equilateral triangles, which means that all the sides are equal and all the interior angles measure degrees.
The tetrahedron is also called "triangular pyramid".