Question

Can someone plz help me understand this

Answer 1

17

Explanation:

c=15×15+8×8

c=225+64

c=289=17

Answer 2

The length of the guy wire is 17ft.

Explanation:

`c = \sqrt{a^(2)+b^(2) }`

a = 15ft

b = 8ft

c =
`\sqrt{15^(2) + 8^(2) }`

c =
`√(225 + 64)`

c =
`√(289)`

c = 17

The length of the guy wire is 17ft.