Make a program that reads three floating point values: A, B and C. Then, calculate and show:
a) the area of the rectangled triangle that has base A and height C.
b) the area of the radius's circle C. (pi = 3.14159)
c) the area of the trapezium which has A and B by base, and C by height.
d) the area of the square that has side B.
e) the area of the rectangle that has sides A and B.
a) the area of the rectangled triangle that has base A and height C.
b) the area of the radius's circle C. (pi = 3.14159)
c) the area of the trapezium which has A and B by base, and C by height.
d) the area of the square that has side B.
e) the area of the rectangle that has sides A and B.
Input
The input file contains three double values with one digit after the decimal point.
Output
The output file must contain 5 lines of data. Each line corresponds to one of the areas described above, always with a corresponding message (in Portuguese) and one space between the two points and the value. The value calculated must be presented with 3 digits after the decimal point.
Input Samples | Output Samples |
3.0 4.0 5.2 | TRIANGULO: 7.800 CIRCULO: 84.949 TRAPEZIO: 18.200 QUADRADO: 16.000 RETANGULO: 12.000 |
12.7 10.4 15.2 | TRIANGULO: 96.520 CIRCULO: 725.833 TRAPEZIO´: 175.560 QUADRADO: 108.160 RETANGULO: 132.080 |
SOURCE CODE
#include<stdio.h>
int main()
{
double a, b, c, t, o, z, s, r;
scanf("%lf %lf %lf", & a, & b, & c);
t = (0.5 * a * c),
o = (3.14159 * c * c),
z = (((a + b) / 2) * c),
s = (b * b),
r = (a * b);
printf("TRIANGULO: %0.3lf\nCIRCULO: %0.3lf\nTRAPEZIO: %0.3lf\nQUADRADO: %0.3lf\nRETANGULO: %0.3lf\n", t, o, z, s, r);
return 0;
}
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