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Zepler [3.9K]
3 years ago
10

Look at the triangle:

Mathematics
2 answers:
pantera1 [17]3 years ago
8 0

Answer:

The correct option is 4.

Step-by-step explanation:

In a right angled triangle,

\sin \theta=\frac{perpendicular}{hypotenuses}

In the given triangle it is clear that,

Hypotenuse = 13 cm

Perpendicular = 5 cm

Base = 12 cm

\sin x^{\circ}=\frac{5}{13}

\sin x^{\circ}=5\div 13

Therefore option 4 is correct.

NemiM [27]3 years ago
7 0
That would be the last one opposite/hypotenuse which is 5/13
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Answer:

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Step-by-step explanation:

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3 years ago
What will be angle COD If: angle COD minus angle KOD equals 61degrees and angle COD minus angle KOC equals 53degrees?
kenny6666 [7]

Use algebra for such problems
let, Angle COD = x
Angle KOD = y
Angle KPC = z
Given ,. x - y = 61° ( Equation 1 )
x - z = 53° ( Equation 2 )
Subtract 1st equation from 2nd and you'll get :

z - y = 8° ( Equation 3 )
Now since , x + y + z = 180° ( Equation 4 )
Add Equation 3 to Equation 4 and you'll get
x + 2z = 188° ( Equation 5)
From Equation 2 we know that , x -z = 53°
or, x = 53° + z ( Equation 6 )
Put this value of 'x' in Equation 5 and solve for z. you'll get :
(53° + z) + 2z = 188°
or
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solving for z we get
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put this value of z in Equation 5
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5 0
3 years ago
A rectangle has a width of 46 centimeters and a perimeter of 204 centimeters. What is the rectangle’s length?
Vanyuwa [196]

Answer:

Length = 56

Step-by-step explanation:

Perimeter = Length + Length + Width + Width

Perimeter = 2L + 2W

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2L + 2(46) = 204

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Subtract 92 from both sides

2L = 112

Divide both sides by 2

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3 years ago
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