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Yogita Ingle 5 years ago
A chord of a circle divides the circle into two regions, which are called the segments of the circle.
The minor segment is the region bounded by the chord and the minor arc intercepted by the chord.
The major segment is the region bounded by the chord and the major arc intercepted by the chord.
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Sia ? 5 years ago
27x-2x = 2{tex}\frac{15}{2}{/tex}
25x = 2{tex}\frac{15}{2}{/tex}
equating powers of same bases
5x = {tex}\frac{15}{2}{/tex}
x = {tex}\frac{15}{10}{/tex}
x = {tex}\frac{3}{2}{/tex}
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Sia ? 5 years ago
An electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity.
Posted by Joby Palackal Joseph 5 years ago
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Yogita Ingle 5 years ago
We know ,
a³ + b³ + c³ -3abc = (a + b + c )(a² + b² + c² -ab -bc-ca)
now ,
a + b + c = 5
ab + bc + ca = 10
(a + b + c)² = a² + b² + c² +2(ab + bc+ca)
(5)² -2×10 = a² + b² + c²
a² + b² + c² =5
hence ,
a³ + b³ +c³ -3abc = ( a + b + c )(a² + b² + c² -ab- bc-ca)
=( 5)( 5 - 10) = 5 × (-5) = -25
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Yogita Ingle 5 years ago
To start off with, we have to draw perpendiculars from A and B on CD at E and F respectively.
Now, we will obtain two right-angled triangles.
We apply Pythagoras Theorem in both of them:-
DE² = AD² - AE²
DE² = 5² - 4²
DE² = 25 - 16
DE² = 9
DE = √9
DE = 3 cm
Similarly, FC = 3 cm
DC can be re-written as:-
=DE + EF + FC (Also, EF = AB as ABEF forms a rectangle)
=3 + 7 + 3
= 13cm
So, the value of x is 13cm
Posted by Shivam Shaw 5 years ago
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Vibhanshu Dwivedi 5 years ago
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