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2 years ago

Which one is it? I need help

Mathematics

1 answer:

liubo4ka [24]2 years ago

8 0

The statement that must be true about square WXYZ are as follows;

WX ≅ XY
WX ≅ YZ
∠W is a right angle.

<h3>Properties of a Square.</h3>

All sides are equal to each other.
Opposite sides are parallel to each other.
All the angles are right angle.
The diagonals bisect each other and are perpendicular.

Therefore, the statement that must be true about square WXYZ are as follows;

WX ≅ XY
WX ≅ YZ
∠W is a right angle.

learn more on square here: brainly.com/question/15019502

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Answer:

If you need the expression: 2x^2-5x-3

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3 years ago

Please help! It would be very much appreciated :)

Trava [24]

Answer:

Cos 45=6/x

x=6/cos 45=6√2

x=6√2

tan 45=y/6

y=tan45 ×6

y=6

sin 60=y/10

y=sin60×10

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Cos 60=x/10

x=½×10

x=5

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x=1/√2×5 or

x=5√2/2

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y=5√2/2 or 5/√2[base angle of right angled isosceles triangle]

Sin 30=8/x

½×x=8

x=8*2

x=16

again

cos 30= y/x

√3/2×16=y

y=8√3

sin 60=7/x

x=7/[√3/2]

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again

cos 60=y/x

½×14√3/3=y

7√3/2=y

y=7√3/2

Note:

Sin angle =perpendicular/hypotenuse

Cos angle =base/hypotenuse

Tan angle =perpendicular /base

7 0

3 years ago