EXPLANATION PLEASE AND ILL BRAINLIEST YOU

EXPLANATION PLEASE AND ILL BRAINLIEST YOU class=

Answer :

Answer:

blank 1: 24

Step-by-step explanation:

According to Pythagoras' Theorem, in a right-angled triangle,

(side 1)² +(side 2)²= (hypotenuse)²

Applying Pythagoras' Theorem,

x² +18²= 30²

x² +324= 900

x²= 900 -324 (-324 on both sides)

x²= 576

[tex]x = \sqrt{576} [/tex]

x= 24 ft