Question

Geometry assistance needed, thank so much

Answer 1

7√2 / 2

Explanation:

An isosceles right triangle is also known as a 45-45-90 triangle. For such a triangle, the hypotenuse (long side) is √2 the legs.

s√2 = 7

s = 7/√2

s = 7√2 / 2

You can also show this with Pythagorean theorem.