Math Help! Precalculus, how do you solve these problems

Find the 3 missing parts: (they are triangles)
1. A: 70 degrees c: 36 a: 25 (Find B,b,C)
2. C: 13 degrees A: 22 degrees c: 9 (Find a,B,b)
3. X: 138 degrees y: 15in z: 25in (Find x, Y, Z)
4. p: 28km q: 17km r: 15km (Find P, Q, R)

1. A: 70 degrees c: 36 a: 25 (Find B,b,C)
Invalid - side too long
sides: 25, 26.6044, 9.0993
angles: 70°, 90°, 20° is a right scalene triangle
area: 113.7407 perimeter: 60.7037



2. C: 13 degrees A: 22 degrees c: 9 (Find a,B,b)
AAS: Sine Law: Sin(A)/a = Sin(B)/b
sides: 9, 14.9875, 22.948
angles: 13°, 22°, 145° is an obtuse scalene triangle

3. X: 138 degrees y: 15in z: 25in (Find x, Y, Z)
sides: 15, 25, 37.5148
angles: 15.5183°, 26.4817°, 138° is an obtuse scalene triangle

4. p: 28km q: 17km r: 15km (Find P, Q, R)
SSS: Cosine Law: b² = a² + c² - 2ac cos(B)
sides: 28, 17, 15
angles: 121.9657°, 31.0027°, 27.0316° is an obtuse scalene triangle