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How do you find the area of a triangle given 3 points?

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How do you find the area of a triangle given 3 points?

Area of triangle with 3 points is: A = (1/2) |x1 1 (y2 2 − y3 3 ) + x2 2 (y3 3 − y1 1 ) + x3 3 (y1 1 − y2 2 )|, where (x1 1 ,y1 1 ),(x2 2 ,y2 2 ), and (x3 3 ,y3 3 ) are the coordinates of vertices of triangle.

How do you write the area of a triangle in C?

C

  1. #include
  2. int main()
  3. { float b ,h, area;
  4. b= 5;
  5. h= 13;
  6. area = (b*h) / 2 ;
  7. printf(“\n\n Area of Triangle is: \%f”,area);
  8. return (0);

How do you write a formula for the area of a triangle?

So, the area A of a triangle is given by the formula A=12bh where b is the base and h is the height of the triangle. Example: Find the area of the triangle. The area A of a triangle is given by the formula A=12bh where b is the base and h is the height of the triangle.

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What command is used to find the area of triangle?

s = (a + b + c) / 2. # calculate the area. area = (s*(s-a)*(s-b)*(s-c)) ** 0.5.

How do you find area with points?

By finding the product of a point’s x coordinate times the next point’s y coordinate, then subtracting the y coordinate of the first point times the x coordinate of the second coordinate and dividing by two, you will find the area of the polygon.

How do you find the triangle in C?

Calculator Use This formula is known as the Pythagorean Theorem. In our calculations for a right triangle we only consider 2 known sides to calculate the other 7 unknowns. For example, if we know a and b we can calculate c using the Pythagorean Theorem. c = √(a2 + b2).

What is float in C programming?

Float is a shortened term for “floating point.” By definition, it’s a fundamental data type built into the compiler that’s used to define numeric values with floating decimal points. C, C++, C# and many other programming languages recognize float as a data type. Other common data types include int and double.

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How do you find the area of a triangle in C++?

Algorithm. Take input of the three sides of the triangle from the user and store them in the variables a, b and c. Declare a variable area of float type and calculate and store area of the triangle in it using s and the given formula. Print area.

How do you program the area of a rectangle?

C Program

  1. #include
  2. int main()
  3. {
  4. int width=5;
  5. int height=10;
  6. int area=width*height;
  7. printf(“Area of the rectangle=\%d”,area);
  8. }