Question

9th grade math ty very much :)

Answer 1

Option b

Explanation

using the Pythagorum therom we can deduct that a^2 + b^2 = c^2

since its a right angle triangle all the angles are

90° 45° 45°

meaning that both sides a and b are the same

8^2 + 8^2 = x^2

128 = x^2

x= 8_/-2