Question

. A ladder 4.5m long is placed against a wall in such a way that the foot of the
ladder is 2.7m away from the wall. Find the height of the wall to which the
ladder reaches.

Answer 1

Ladder is 4.5 m long, the distance is 2.7m away.

We use Pythagoras' Theorem to find the height

a² + b² = c²

2.7² + b² = 4.5²

b² = 4.5² - 2.7²

b² = 12.96

b = √12.96

b = 3.6 m

Answer: The height is 3.6m

Answer 2

$<b>$
$\huge\textbf{ANSWER}$

By Pythagoras theorem we have

h²=p²+ b²

(4.5)²=p²+(2.7)²

20.25=p²+7.29

p²=20.75-7.29

p²=12.96

$\mathbf{p = \sqrt{12.96} }$

=3.6m

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