Which conversion requires multiplication?
2 answers:
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Answer :
Option B
Step by step explanation :
As we can see in figure, Triangle is right angled at A
In ∆ABC
By Pythagoras theorem,
BC² = AC² + AB²
=> BC² = (3)² + (4)²
=> BC² = 9 + 16
=> BC² = 25
=> BC = 5 cm
We know,
=
Here,
base = AC = 3cm
height = AB = 4cm
=> =
=>
=>
As BC = DE
And then BD = EC
it shows the property of rectangle
So BD = 6 cm
Now,
=> Area of rectangle = 6cm x 5cm
=>
Now,
Area of the figure = Area of rectangle + Area of triangle
=> Area of the figure = 30cm² + 6cm²
=>
Therefore, <u>option B</u> is the correct answer for this question.
