[已解决]c语言求解决个小问题

Boring1031

这个A角度怎么求呀

最佳答案

月排行榜 / 总排行榜

傻眼貓咪

2021-10-22 18:19:24

#include <stdio.h>
#include <math.h>
#define pi 3.14159

int main()
{
    float a, b, c, p, s, A, B;
    scanf("%f %f", &a, &b);
    c = sqrt((a*a)+(b*b));
    p = a+b+c;
    s = (a*b)/2;
    A = acos(b/c);
    B = acos(a/c);
    A = (A*180)/pi;
    B = (B*180)/pi;
    printf("c = %.1f\n", c);
    printf("p = %.1f\n", p);
    printf("s = %.1f\n", s);
    printf("A = %d\n", (int)ceil(A));
    printf("B = %d\n", (int)ceil(B));
    printf("A = %.1f\n", A);
    printf("B = %.1f\n", B);
    return 0;
}

3 4
c = 5.0
p = 12.0
s = 6.0
A = 37
B = 54
A = 36.9
B = 53.1

跳转到最佳答案楼层

人造人

#include <stdio.h>
#include <math.h>

int main(void) {
    double a, b, c, p, s, A, B;
    scanf("%lf%lf", &a, &b);
    c = sqrt(pow(a, 2) + pow(b, 2));
    p = a + b + c;
    s = a * b / 2;
    A = asin(a / c) * (180 / M_PI);
    B = asin(b / c) * (180 / M_PI);
    printf("a=%.1lf\n", a);
    printf("b=%.1lf\n", b);
    printf("c=%.1lf\n", c);
    printf("p=%.1lf\n", p);
    printf("s=%.1lf\n", s);
    printf("A=%.0lf\n", A);
    printf("B=%.0lf\n", B);
    printf("A=%.1lf\n", A);
    printf("B=%.1lf\n", B);
    return 0;
}

傻眼貓咪

#include <stdio.h>
#include <math.h>
#define pi 3.14159

int main()
{
    float a, b, c, p, s, A, B;
    scanf("%f %f", &a, &b);
    c = sqrt((a*a)+(b*b));
    p = a+b+c;
    s = (a*b)/2;
    A = acos(b/c);
    B = acos(a/c);
    A = (A*180)/pi;
    B = (B*180)/pi;
    printf("c = %.1f\n", c);
    printf("p = %.1f\n", p);
    printf("s = %.1f\n", s);
    printf("A = %d\n", (int)ceil(A));
    printf("B = %d\n", (int)ceil(B));
    printf("A = %.1f\n", A);
    printf("B = %.1f\n", B);
    return 0;
}

3 4
c = 5.0
p = 12.0
s = 6.0
A = 37
B = 54
A = 36.9
B = 53.1