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Mekhanik [1.2K]
2 years ago
14

Find the value of the variable.

Mathematics
2 answers:
bulgar [2K]2 years ago
4 0

Answer:

sin 30 =x/32

x=½*32

x=16

again

cos 30=y/32

√3/2*32=y

y=16√3

Likurg_2 [28]2 years ago
3 0
Cos ø = Base/ Hypotenuse
Cos 30 = y/32
Root 3/2 = y/32
y= 16root3
X= 16
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Everything to the left of the line is shaded.

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From the figure we can see origin lies on the shaded region.Hence (0,0) should satisfy the inequality.

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8 0
2 years ago
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emmasim [6.3K]

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Step-by-step explanation:

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Answer:

❥

Diameter of a circle is 8 cm. Then find out the area and perimeter of the circle.

❥

Area of circle is 50.29(≈)cm² and perimeter of circle is 25.14(≈)cm.

❥

•Given :-

Diameter of the circle = 8 cm.

•To find :-

Area and perimeter of the circle.

• Solution :-

Let the radius of the circle be r cm.

Diameter = 8 cm.

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★

So, Radius (r) = 8/2= 4 cm.

We know,

★

Area of circle= πr²

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→Area of circle=

→Area of circle= 50.29(≈)cm²

____________________________

We know,

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Perimeter of circle= 2πr

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