Question

find the length of side x to the nearest tenth

Answer 1

Answer:

9.9

Step-by-step explanation:

x = √(7²+7²)

= √(49+49)

= √(49×2)

= 7√2

= 9.9 (rounded to the nearest tenth)

Answered by GAUTHMATH

Answer 2

Answer:

9.9

Step-by-step explanation:

Since this is a right and  isosolese triangle, the adjacent side is also 7, so

c**2 = a**2 + b**2

c**2 = 7**2 + 7**2

c**2 = 49 + 49 = 98

c       = +- (98)**1/2

c = 9.9