Question

Use the Pythagorean Theorem to find the missing side of the triangle. Round to the nearest tenth, if necessary.
a = ?, b = 5, c = 8
6.3
6.2
6.0
The sides of the second triangle are: 24,7,c
20
25
26
30

Answer 1

a^2 + b^2 = 8^2
a^2 + 25 = 64
a^2 = 49
a = 7
Just like that the answer of 2nd is 25