1. In the tetrahedron, three triangles meet at each vertex. What is the sum of the interior angles? Is it less than 360 degrees?
2. Calculate the total area (surface and bases) of a prism whose base is a rhombus with diagonals of 12 and 18 cm
I will mark you BRAINLIEST if you answer this :D
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Answer:
It depends on your number. check my instructions to know the sum of interior angles
Step-by-step explanation:
To find the sum of interior angles of a polygon, multiply the number of triangles in the polygon by 180°. is the number of sides. All the interior angles in a regular polygon are equal. The formula for calculating the size of an interior angle is: interior angle of a polygon = sum of interior angles ÷ number of sides
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