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A tetrahedron is a pyramid with triangular base i.e. it has a base that is a triangle and each side has a triangle. All the three triangles converge to a point. As in the figure,

**Code Logic** − The code to find the area and volume of tetrahedron uses the math library to find the square and square-root of a number using sqrt and pow methods. For calculating the area we take a floating point and the value of the expression “((sqrt(3)*a*a))” is given to it. Another variable get the value of volume of the tetrahedron that is evaluated by using the expression, *“(a*a*a/(6*(sqrt(2))))”*.

#include <stdio.h> #include <math.h> int main() { int a = 5; float area, volume; printf("Program to find area and volume of Tetrahedron\n"); printf("The side of Tetrahedron is %d \n", a); area = (sqrt(3)*(a * a)); printf("The area of Tetrahedron is %f \n", area); volume = (pow(a, 3) / (6 * sqrt(2))); printf("The volume of Tetrahedron is %f \n", volume); return 0; }

Program to find area and volume of Tetrahedron The side of Tetrahedron is 5 The area of Tetrahedron is 43.301270 The volume of Tetrahedron is 14.731391

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