chels6058
18.05.2021 •
Mathematics
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?
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Ответ:
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
Ответ:
€1333.33
Step-by-step explanation:
Al Tom ratio to Joe=5:4
Joe gets 1.5 times the amount Al gets
€3000 in the ratio 5:4
Al share
5/9×3000
=€1666.67
Joe share
4/9×3000
=€1333.33