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boyakko [2]
3 years ago
14

Please help out with this question .

Mathematics
1 answer:
melamori03 [73]3 years ago
7 0

Answer:

B

Step-by-step explanation:

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In the figure, if m∠ABD = 120º, then m∠ADC = ___
Darya [45]
Okay first, use the sin rule (\frac{SinA}{a} =  \frac{SinB}{b}
so \frac{Sin120}{35} * 30 = SinB
sin^-1 this and you get 47.928....this is angle ADB
and as it is on a straight line, 180 - this angle gets ADC
180 - 47.928.... = 132.07
4 0
3 years ago
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Cylinder a has a height of 8 cm cylinder b has a height of 12 find the surface area​
Olegator [25]

Answer:

You can't answer the question. It is missing essential information. What is the radius of the circle at the end of the cylinder.

Step-by-step explanation:

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5 0
2 years ago
the width of a rectangle is x centimetres and its length is (x+ 2) cm. Write down an expression for the perimeter of the rectang
yKpoI14uk [10]

Given:

The width of a rectangle is x centimeters and its length is (x+ 2) cm.

To find:

The expression for the perimeter of the rectangle.

Solution:

We know that, perimeter of a rectangle is

Perimeter=2(Length+Width)

We have,

Width = x cm

Length = (x+2) cm

Putting these values in the above formula, we get

Perimeter=2((x+2)+x)

Perimeter=2(2x+2)

Perimeter=2(2x)+2(2)

Perimeter=4x+4

Therefore, the required expression for the perimeter of the rectangle is (4x+4) cm.

6 0
3 years ago
Please be quick i dont have that much time
Oduvanchick [21]

Answer:

To find the sum of interior angles in a polygon, we can use the formula:

180(n-2) where n is the number of sides.

Since this is pentagon (5 sides), then 180(5-2)=180*3=540

The missing angle would then be

540-97-111-104-115=113

Since angles on a straight line add up to 180, then

x+113=180

x=67

3 0
2 years ago
What is an equation of the line that passes through the points (-2,-5) and (-1,1)
alekssr [168]

Answer:

Slope = 6

Step-by-step explanation:

Slope = \frac{y^{2}-y^{1}  }{x^{2}-x^{1}  } =\frac{1-(-5)}{-1-(-2)}=\frac{1+5}{-1+2}=\frac{6}{1}=6

6 0
2 years ago
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