Prove the following statement by contradiction using an indirect proof. In a triangle angle A = 90°, then the triangle is a righ

Question

2 years ago

14

Prove the following statement by contradiction using an indirect proof. In a triangle angle A = 90°, then the triangle is a righ

t triangle. Which of the following choices would be the first step to temporarily assume?
A. angle A = 90

B. The triangle is a right angle

C. The triangle is not a right angle

D. Angle A is not 90

Mathematics

1 answer:

kati45 [8] · Answer 1 · 2022-01-08T01:16:02+03:00

kati45 [8]2 years ago

3 0

Answer:

I prefer taking B

Step-by-step explanation : because when the degree is 90 than it should be a right triangle