Answer:
BE = 72 cm
Step-by-step explanation:
(BPT Theorem)

⇒ 4 = 
⇒BE = 18 × 4
∴ BE = 72 cm
Hope this helps...
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Option B
5 hundredths is not the way to express 0.50
<h3><u>Solution:</u></h3>
Given that Three of the choices are ways to express 0.50
To find: wrong option
Let us first write 0.50 in different ways
<h3><em><u>
To convert a Decimal to a Fraction follow these steps:
</u></em></h3>
Step 1: Write down the decimal divided by 1, like this: decimal 1.
Step 2: Multiply both top and bottom by 10 for every number after the decimal point. ...
Step 3: Simplify (or reduce) the fraction.

means 50 hundredths
<h3>Therefore option D is correct</h3>
On simplifying
we can write,

means one half
<h3>Therefore option A (one half) is correct</h3>
Similarly, \frac{5}{10} means 5 tenths
<h3>Therefore Option C is also correct</h3>
Thus the wrong option is B
<em><u>Justification:</u></em>
5 hundredths can be written as:

Therefore option B is wrong
Step-by-step explanation:
Volume of figure=length×width×height
=(1/2)×(1/2)×6
=0.5×3
=1.5m³
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2(3x +x)=30
8x = 30
x =3.75 = width
3x = 11.25 = length