B. Prove the following using indirect proof.
1. If x = 3, then 3x + 5 ≠10
2. If a triangle is an isosceles triangle ( 2 sides are equal), then the base angles
cannot measure 92 degrees.
3. Given: 3 - 5 ≠ 13
Prove: r≠6
4.Given: x = 5
Prove: 2x + 4 12