a ladder, 24m long, leans against a vertical wall and touches it 18m above the ground. How far is the foot of th ladder from the wall?​

15.87 m

Step-by-step explanation:

Length of ladder = hypotenus = 24 m

Height, opposite = 18m

Foot of ladder from the wall = x

Using Pythagoras rule :

Hypotenus² = opposite² + Adjacent²

x² = hypotenus² - opposite²

x² = 24² - 18²

x² = 576 - 324

x² = 252

x = √252

x = 15.87 m

e.

step-by-step explanation:

because there are always 10 numbers in a phone number.

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