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Maths-

General

Easy

Question

In the figure, $stack A B with bar on top parallel to stack C D with bar on top$ Find the value of x .

70°
140°
80°
160°

hint Hint:

extend lines CD and AE to intersect, use angle properties to find required angle

The correct answer is: 140°

if we extend AE to down and CD to left side ,AE will act as transversal between CD and AB
lets say AE and CD intersect at P
$angle E A B space equals 108 degree angle E A B plus angle E P C space equals 180 degree space left parenthesis c o n t e r i o r space a n g l e s right parenthesis 108 degree space plus angle E P C equals 180 degree angle E P C space space equals equals 72 degree angle E C D equals 112 degree angle E C P plus angle E C D space equals 180 degree space space space left parenthesis s t r a i g h t space a n g l e right parenthesis angle E C P space equals 180 degree space minus 112 degree angle E C P space equals 68 degree I n space t r i a n g l e space E P C angle C E A space equals space x degree angle E C P plus angle E P C space equals angle C E A space space left parenthesis e x t e r i o r space a n g l e space p r o p e r t y right parenthesis 68 degree plus 72 degree equals x x equals 140 degree$

exterior angle of a triangle is equals to sum of opposite interior angles

Related Questions to study

In the given figure, p||q and r is transversal to p,q. $text If end text angle 2 colon angle 3 equals 7 colon 3 text then end text angle 4 minus angle 7 equals text ? end text$

In the given figure, p||q and r is transversal to p,q. $text If end text angle 2 colon angle 3 equals 7 colon 3 text then end text angle 4 minus angle 7 equals text ? end text$

From the figure, $stack P Q with bar on top parallel to stack R S with bar on top text and end text stack P S with bar on top parallel to stack Q R with bar on top$ Then ( x – y)

From the figure, $stack P Q with bar on top parallel to stack R S with bar on top text and end text stack P S with bar on top parallel to stack Q R with bar on top$ Then ( x – y)

In the figure, if $angle 3 colon angle 6 equals 2 colon 7 text then end text angle 2 colon angle 7 equals$

In the figure, if $angle 3 colon angle 6 equals 2 colon 7 text then end text angle 2 colon angle 7 equals$

parallel

In the figure, n is transversal to lines $l comma m text and end text l parallel to m text . end text$ $text If end text angle 3 equals 70 to the power of ring operator end exponent text then end text angle 8 equals ?$

angle on a straight line is always 180⁰

In the figure, n is transversal to lines $l comma m text and end text l parallel to m text . end text$ $text If end text angle 3 equals 70 to the power of ring operator end exponent text then end text angle 8 equals ?$

angle on a straight line is always 180⁰

In the figure, n is transversal to $l comma m$ then $left parenthesis x plus y plus z right parenthesis minus left parenthesis p plus q plus r right parenthesis equals ?$

In the figure, n is transversal to $l comma m$ then $left parenthesis x plus y plus z right parenthesis minus left parenthesis p plus q plus r right parenthesis equals ?$

According to the data given in figure, x = ?

Angle in complete circle is 360^₀

According to the data given in figure, x = ?

Angle in complete circle is 360^₀

parallel

If ABCD is a square as shown in the figure then which of the following are adjacent sides ?

if two vertices in a graph/diagram are connected by an edge then they are adjacent vertices

If ABCD is a square as shown in the figure then which of the following are adjacent sides ?

if two vertices in a graph/diagram are connected by an edge then they are adjacent vertices

In the following figure, a pair of adjacent vertices is

if two vertices in a graph/diagram are connected by an edge then are adjacent vertices

In the following figure, a pair of adjacent vertices is

if two vertices in a graph/diagram are connected by an edge then are adjacent vertices

Find the value of x from the following Venn diagram if

Find the value of x from the following Venn diagram if

parallel

In Venn diagram, $left parenthesis A intersection C right parenthesis union left parenthesis B intersection C right parenthesis equals$

intersection of superset with subset is subset

In Venn diagram, $left parenthesis A intersection C right parenthesis union left parenthesis B intersection C right parenthesis equals$

intersection of superset with subset is subset

S₁ : Generally square planar complexes show geometrical isomerism but do not exhibit optical isomerism because they do not possess planer of symmetry.
S₂ : $capital delta subscript t end subscript equals fraction numerator 4 over denominator 9 end fraction capital delta subscript 0 end subscript$
S₃ : In octahedral complexes each electron entering the t_2g orbitals stabilizes the complex ion by 0.4 $capital delta subscript 0 end subscript$ and each electron entering the e.gorbital destabilizes the complex by an amount of 0.6 Δ₀.

S₁ : Generally square planar complexes show geometrical isomerism but do not exhibit optical isomerism because they do not possess planer of symmetry.
S₂ : $capital delta subscript t end subscript equals fraction numerator 4 over denominator 9 end fraction capital delta subscript 0 end subscript$
S₃ : In octahedral complexes each electron entering the t_2g orbitals stabilizes the complex ion by 0.4 $capital delta subscript 0 end subscript$ and each electron entering the e.gorbital destabilizes the complex by an amount of 0.6 Δ₀.

chemistry-General

All the following complex show decreases in their weights when placed in a magnetic balance then the group of complexes having tetrahedral geometry is :
i) Ni(CO)₄
ii) K[AgF₄ ]
iii) Na₂ [Zn(CN)₄ ]
iv) K₂ [PtCl₄ ]
v) [RhCl(PPh₃)₃ ]

All the following complex show decreases in their weights when placed in a magnetic balance then the group of complexes having tetrahedral geometry is :
i) Ni(CO)₄
ii) K[AgF₄ ]
iii) Na₂ [Zn(CN)₄ ]
iv) K₂ [PtCl₄ ]
v) [RhCl(PPh₃)₃ ]

chemistry-General

parallel

$N i C l subscript 2 end subscript stack stack ⟶ with K C N on top with H C N below$ complex A
$N i C l subscript 2 end subscript stack stack ⟶ with K C l on top with text excess end text below$ complex B
A & B complexes have the co-ordination number 4.
The IUPAC name of complexes ‘A’ & ‘B’ are respectively :

$N i C l subscript 2 end subscript stack stack ⟶ with K C N on top with H C N below$ complex A
$N i C l subscript 2 end subscript stack stack ⟶ with K C l on top with text excess end text below$ complex B
A & B complexes have the co-ordination number 4.
The IUPAC name of complexes ‘A’ & ‘B’ are respectively :

chemistry-General

On treatment of 100 mL 0.1 M Solution of CoCl3.6H2Owith excess AgNO₃, $1.2 cross times 1022$ ions are precipitated The complex is :

On treatment of 100 mL 0.1 M Solution of CoCl3.6H2Owith excess AgNO₃, $1.2 cross times 1022$ ions are precipitated The complex is :

chemistry-General

How many EDTA (ethylenediaminetetraacetic acid) molecules are required to make an octahedral complex with a Ca2+ ion ?

How many EDTA (ethylenediaminetetraacetic acid) molecules are required to make an octahedral complex with a Ca2+ ion ?

chemistry-General

parallel

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